Best Airswitch TC Interactive Lamp by Mathmos - White Deals

Customer Ratings:

All Mathmos stuff is cool. This is a very handy lamp that you turn on and off by waving your hand above it. Its one fault is that it fails to "on" in the case of a power outage. It dims by raising and lowering your hand over it.

Click Here For Most Helpful Customer Reviews >>

Review of General Tool UV513AB Digital UVAB Meter for Ultraviolet Light

Customer Ratings:
List Price: $169.99
Sale Price: $119.00
Today's Bonus: 30% Off

Needing to test various UV light sources, I purchased the General Tool UV513AB Digital UVAB Meter to provide a greater level of accuracy and precision than a personal UV meter intended for consumers. While I have generally been content with this instrument, the name of the meter is a bit of a misnomer as it is truly a UVA meter calibrated for 365nm, which is well outside the UVB range. Sensitivity drops off significantly in a somewhat asymmetric distribution about 365nm, reaching zero % sensitivity at 280nm and 420nm. An important UVB wavelength 308 nm has a spectral sensitivity of only 30%. There is no setting, adjustment or filter to obtain a better measurement of UVB wavelengths.

It is some difficult to objectively review and rate such a device because its well and not-so-well understood limitations can be attributed to its modest price. Other laboratory grade UV meters can cost more than three times as much and beyond. So, it is the value and utility that must be discussed. Compared to a personal UV meter such as the Oregon Scientific EB612 Personal UV Monitor, this instrument is quite a powerful tool that is easily worth five times as much. The General Tool UV513AB allows for real time UV measurements in a value that can be interpreted on an absolute scale in universal metrics of mw/cm^2 not an ambiguous continuum meaningful only to the instrument such as relative intensity of 1 20. This is especially helpful when observing the output of UV LEDs whose output can vary based on temperature.

There are some deficits that are inexcusable, even at its low price point. Despite being a relatively simple device, the menu navigation is oddly confusing. The manufacturer should have added an additional button or switch to avoid the need to cycle through different functions. It is nice, however, that there are two readouts, including one that is able to show min, max, and average values. The meter also has a data store capability that can be displayed on the secondary reading while the main function is still being displayed.

The manual for this meter is poorly written. One of my big concerns is that at least one of the specifications is incorrect. The "High Illumination" spectral range is listed at 0.01 mw/cm^2 to 40.00 mw/cm^2. Yet, I have exceeded 40 mw/cm^2 numerous times, reaching up to 66 mw/cm^2. Given that an almost identical meter is sold by Sper Scientific, my guess is that General Instrument didn't make or design this product. Hence, the manual was probably written by someone else other than the designer or manufacturer.

Regarding the fundamental capabilities of the sensor, the 40 mw/cm^2 maximum value is well below the output of many light sources, including UV lasers and high brightness LED modules. Just for reference, readings of greater than 8.5 mw/cm^2 can be reached at the sun's maximum intensity during the day in the Midwestern United States. Like the wavelength sensitivity limitation, the maximum intensity ceiling could be addressed with different filters, which can often be extremely expensive. It would be helpful if General Tool could provide easily attachable and modestly priced filters including bandpass variants to address the wavelength and max intensity issues.

Despite all of the limitations, this instrument is a good value especially when compared to what is offered in the larger scientific instrument market. For example, a small bandpass UV filter used to obtain a better reading on a specific UVB wavelength could cost several hundred dollars from a supplier such as Edmunds Scientific. I would have appreciated a few additional capabilities but the price would be expected to increase dramatically. That being said, this instrument is a solid four stars compared to what is available at both lower and higher price points.

Pros

Inexpensive

Flexible sensor mounting/use with wand

High level of precision in the microwatts and reported accuracy of 4%

Portable

Easy to understanding readings

Min, max, average readings with data store

Cons

Poorly written manual

Complex function navigation

Click Here For Most Helpful Customer Reviews >>

I bought this meter to evaluate the assorted claims of UV protection of sunglasses, window film, etc. since marketeers will shamelessly claim anything and I had to rely on 100% UV blocking. The first meter seemed to have inconsistent readings and I got a replacement (thank you Amazon) but the second meter also behaved strangely.

When you take a reading then cover the sensor with 100% UV blocking material, you would expect the meter to read zero. Not so, the meter only shows a percentage reduction in its measurement of Watts per square centimeter and that's based on the intensity of the light source. Example: when I measure direct sunlight at about 6000uW then shield the sensor with an assortment of UV blocking lenses, the readings only drop to about 400uW, not zero. When I'm inside, measuring about 400uW through window glass, the same UV blocking material reduces the reading to about 70uW, and if the reading is about 70uW, then the blocking material will reduce the reading to zero.

To try to explain this, I found the company online (the folded "manual" provides no information) and emailed them my concerns but they never bothered to respond. That was enough for me. Two stars because the meter does something but what exactly, I don't know

Best Deals for General Tool UV513AB Digital UVAB Meter for Ultraviolet Light

Doesn't test the narrow spectrum of reptile lights, which was the sole purpose of this purchase. Can't tell if it works well with other applications. Seems well built, plug 'n' play, gives a quick measurement.

Honest reviews on General Tool UV513AB Digital UVAB Meter for Ultraviolet Light

All I wanted was an easy-to-use UV meter -turn it on, point the sensor and give me a number. This one does that perfectly. There are a lot of menu options for configuration, display control and saving stuff in memory. I've ignored all of that. I use it to tell me how much UV is getting through my windows to darken my hardwood floor (considering window film) and to test sun glasses. After pointing the sensor wand at at the UV source, the reading takes about 30 seconds to stabilize. Even after that it jumps around some. There is an averaging function that I have not tried using.

I had a bit of trouble assembling the sensor wand. You have to thread the sensor's wire through the handle before screwing on the top half -it will take you a while. If not for that, it would have had five stars.

Find helpful customer reviews and review ratings for General Tool UV513AB Digital UVAB Meter for Ultraviolet Light

The product arrived according to plan. I arrive in good condition because it was well packed. The packet size was perfect. I recommend this dealer. Very serious and especially according to the specifications llegun was on the page we. I congratulate the dealer for its seriousness.

thank you very much

Reviews of Lite Source LSM-190BLK Magnify-Lite Magnifying Lamp

Customer Ratings:
List Price: $124.50
Sale Price: $90.24
Today's Bonus: 28% Off

I've had this for about a year and abuse it quite a bit. The cover on the magnifying glass is very important, other wise it becomes a dust collector. The light comes on in about 5 seconds. It is plenty bright enough. Mine are fluorescent tubes.

Maybe i over tighened the bottom knob and then raised an lowered it too many times. But after a year, it broke. Can't be fixed unless you know how to weld aluminum. Maybe mine was defective. I was sad. But a year later, i couldnt' find anything i like better so i bought another. I don't usually do that. I'm going to baby this one. 4.5 stars.

Click Here For Most Helpful Customer Reviews >>

This lamp is a very sturdy, good quality lamp and it is great for my husband's workshop. The long arm allows excellent adjustment for whatever project he is working on. Since he has vision in only one eye, he has trouble with depth perception at close distances. He loves this new lamp which allows him to see much better than a magnifying glass with a separate light -no more trying to line up everything to eliminate shadows. He is considering buying another for his desk.

Liroyal Eye Protection LED Table Lamp Reading Lamp Desk Lamp LED Reviews

Customer Ratings:

This is a beautiful functional flexible lamp suitable for any room. The light or combination light is clear and never glary. Unfortunately, all instructions are in a language I cannot read. Japanese? Chinese? The touch switches are easy enough to figure out by trial and error but I would like the information in English. This lamp is so versatile I recommend it anyway.

Click Here For Most Helpful Customer Reviews >>

GR380- T-12 Premium UV Fluorescent Light Filter Sleeves - 4 pack Review

Customer Ratings:

I get migraine headaches, and fluorescent lights are one of my triggers. I rented a space that was very brightly lit with copious amounts of fluroescent lighting, and these shades have been the solution I needed. I could adjust the level of brightness by turning the sleeves, and was able to find a good compromise that worked without being blinding or aggravating my headaches. I had a guy put them on for me as the lights were pretty high up, though took him less than 10 minutes to put up 8 sleeves and adjust to a comfortable level. Highly recommended!

Click Here For Most Helpful Customer Reviews >>

Best 25FT OCEAN BLUE LED FLAT ROPE LIGHT KIT FOR 120V, Christmas Deals

Customer Ratings:
List Price: $95.00
Sale Price: $67.50
Today's Bonus: 29% Off

150Ft Rope Lights; Ocean Blue LED Rope Light Kit; 1.0"LED Spacing; Christmas Lighting; outdoor rope lighting150Ft Rope Lights; 3wires ocean blue and pure white chasing LED Rope Light Kit; Christmas Lighting; outdoor rope lighting

Click Here For Most Helpful Customer Reviews >>

Buy Energizer Night Strike LED Light with Swivel Head

Customer Ratings:
List Price: $89.99
Sale Price: $68.00
Today's Bonus: 24% Off

I really wasn't sure what to expect from a $50 flashlight, but after reading a few reviews scattered around the web, I decided to go for it. I have to say, I'm glad I did. Though I still balk a bit at such a high price, the fact that the MSRP is so much higher at least makes me feel like I'm getting a deal. ;)

The LED's:

-The brightness of the main LED is quite good. It has a very even light pattern and isn't a "spot" on the wall. It diffuses well and offers a larger light circle the farther away the object. Though this necessarily means there's less illumination, the wider angle of coverage means you don't have to be so precise where you point the light; the general direction will do. The various levels of intensity are nice as well. Combined with the fact that you can run the flashlight off a single AA, you effectively have 6 different levels of illumination.

-The colored LED's are another strength. They are sufficiently bright at "max" and step down well at the mid and min settings. I did not notice a difference in light output between one and two AA's, so I think it's safe to count on only three settings. The red and blue lights had a nice, evenly diffused pattern, but the green showed obvious light and dark rings, so I'm not sure if that's a factor of its intensity (our eyes being most sensitive to green) or if the LED is defective. I may call Energizer to see.

-The UV light is a nice touch. It appears to be a black light, so UVA, and not the type of UV lights you might see on CSI (since we don't have blood spatter on our walls, I can't really test whether Grissom would use it or not ;) ). It only has one setting, but depressing the power button for the main LED (on the bottom) causes it to strobe (which gave me a headache after about 5 seconds).

-The switches are a bit of a weak spot, with the main LED switch being on the bottom and a bit recessed, and the color LED switches having nothing to distinguish the color by touch or sight aside from memorizing their location. I could see this being a bit of a pain with numb or gloved fingers.

-The three intensity settings on the lights are only available when you first turn them on, resetting to "off" after 3s. This is both good and bad as you can instantly turn off a light, but you would have to cycle through a full on/off setting if you just wanted it to be a bit less bright. No real way around this I guess. I don't count this as a flaw, just an observation.

Construction:

-The body seems fairly sturdy. The battery door has a locking mechanism and a beefy O-Ring, so I'm inclined to believe the waterproof claims (haven't tested it beyond letting it sit in a bathtub for about 5 minutes while depressing buttons, which it handled fine). The box gives a depth rating of 1m, so it's definitely not suited for swimming/snorkeling/diving, but should hold up well when fording a river. Given the construction, I also believe the 3m drop rating.

-The swivel feature is a bit disappointing since the detents are only at the 0º and 90º angles and are not solid enough for me (I can move the head back and forth slightly). In fact, I could see these becoming worn and possibly breaking if treated too roughly (at least there's a lifetime warranty). The swivel will not "lock" at a ~110º position (pointing toward the ground), though it can be swiveled that far. I see that as a possible issue if it's strapped to a shoulder strap for hands-free operation.

-The clip is quite solid, so no worry about this being knocked off a shoulder strap or belt.

-The locking switch that controls whether you can turn the LED's on/off strikes me as a bit on the cheap side. It's a plastic swivel switch so there's no positive "click" in the three positions, and I'm not sure how well it will hold up to a lifetime of abuse. Still, lifetime warranty...

Other:

-I haven't had a chance to test the battery life, but the fact that one battery can be stored "opposite" as a backup is a nice touch. The worst scenario would be having only one dead battery if it was accidentally left on. VERY nice to have.

-This flashlight won't win any beauty contests, but then again, who buys flashlights to look good? :D

-Ergonomically-speaking, I don't see the being a conformable flashlight to hand-carry for long periods of time, but the (removable) clip on the back would help in this respect, since it could be attached to something.

-No lanyard hole. Boooooo. I guess you could tie something to the clip, but still.

Overall:

I really would give this a 4.5-star rating, but I'm impressed by how much stuff Energizer packed in here, that I have no trouble rounding up. The weak spots are there of course, but I think they're relatively minor (except for the lack of a lanyard hole). All-in-all, Energizer did an excellent job, and the fact that it has a lifetime warranty really makes this flashlight a good buy. (To be honest, however, I wouldn't pay more than 50.)

Click Here For Most Helpful Customer Reviews >>

The video: Shot in our back yard with a Sony Bloggie. I did not realize how fast I talk.... but you get the idea. I demo all light modes, colors, etc.

This light is amazingly compact I had no idea it would be this small (5 1/2" long). The swivel face has 5 LED's:

UV

Blue

Red

Green

White

The UV LED is activated with the orange "lock" switch on the front. All the other LED's have their own switches you can turn on the LED's individually or in any combination. I wish the main LED light was not on the bottom it's awkward either you need two hands, you have to turn it upside down, or have it clipped to your belt to press the button. It really should be on the side or front. The "lock" switch for the U/V is overkill.

The colored LED's are the typical medium-power LED's. The white LED is the new generation high-power LED. It features a "TIR" lens. To quote the manufacturer...

"The TIR Lens(tm), is a Totally Internally Reflecting face angled relative to entry and exit faces to redirect the radiant energy incident from the entry face towards the exit face." Basically shallow lens, wide beam.

The swivel feature is great if you want the light at 45 or 90 degrees it locks there. There is no lock for in-between angles. The lock is also not very solid a hard bump will move the head.

Waterproof good to one meter so it's safe in the rain or on a boat or rafting. But it sinks. If you use the "Energizer Ultimate Lithium" batteries, it sinks slow enough that you can grab it (those batteries are lighter weight) with regular batteries, it sinks much faster. If you are going to use it around deep water, I'd suggest a leash or lanyard.

The belt clip is strong, and will secure the light to a 2" belt, pants, back-pack webbing, etc. You could clip it to the front of your pants for a forward-looking hands-free light. You could attach it to a 1" belt or webbing, but it will slide around.

If you're into a photographer, light painting with long exposures, this is a great tool it's a flood light, so you can get some great coverage fast.

Setting the power: Each LED (except the UV) has three power settings. Press the power switch rapidly to change power High Med Low. When you turn off the light (any LED) the light does not remember the previous setting it always turns on at full brightness.

Follow-up: Just used the light at several locations this weekend. As expected, it works well illuminating large spaces, and is great for light-painting. The blue and green beams actually light well. It's useless as a spot as expected tried to light a 2x3 foot tunnel than was VERY long. Only the first couple of feet of the walls were lit. That's where you need a spot. But for everything else, it's great!

Best Deals for Energizer Night Strike LED Light with Swivel Head

I like the compact size and right angle head. That's my preferred form for a flashlight; but it locks at 90 and 180 and floats anywhere in between. The light colors are intriguing and the intensity adjustability is surprisingly useful. Other than the UV, I didn't realize how useful the other colors would be. (Just try it around the house and office)

My only disappointment is the UV wavelength...it does an adequate not great job of fluorescing some body fluids...yeah, gross. I travel a lot and have carried a much heavier Inova UV light to check out hotel rooms. The good news is that most of the mid-range hotels do well and a problem is rare. And I carry a small regular LED flashlight as well. I was hoping this would do double duty and I suspect that with judicious use of the different colors I'll spot more than I ever wanted to so this is the only light I will travel with now.

I came close to knocking off one star for the pricyness...but it seems like it's nearly unbreakable and durable (drop a Maglite and you'll understand the value of durability). It's a little odd, but I suspect if this thing were a foot long the price would seem to be in line, but it's far more useful in the small form.

Honest reviews on Energizer Night Strike LED Light with Swivel Head

Energizer does it again! This light has great functionality and is energy efficient. When I look for a piece of gear it must have a common power source, a rugged body, and a way to attach to other gear for transport. This has all of those in one package. I would recommend to anybody looking for a quality light source.

Find helpful customer reviews and review ratings for Energizer Night Strike LED Light with Swivel Head

This light is by far the best I've ever had. It's compact, versatile, bright, and has multiple settings, red for night, green for reading, blue for blood tracking, and even UV (which I use to find spots my cats leave). It is my go to light now above any other I own and I even take it traveling with me.

Cheap Ellington ELN52WW5 52-Inch Energy Star Five-Blade Ceiling Fan, White

Customer Ratings:
List Price: $104.99
Sale Price: $79.37
Today's Bonus: 24% Off

We needed to replace a fan that was at least 15 years old, very noisy, and finally had a blade broken off. Once installed, I turned it on (comes on high at first); when I pulled the chain, I actually thought I turned it off, it was so quiet but no, it still had the medium and low settings to go through first. Summer will be much more comfortable, and quiet, with this fan. Great service from seller too.

Click Here For Most Helpful Customer Reviews >>

This fan is beautiful. It can be installed with either white or with light brown woodgrain blades facing down. We chose the woodgrain side and the it's simply lovely in my bedroom. Very clean lines and powerful quiet motor. Love it.

Best Deals for Ellington ELN52WW5 52-Inch Energy Star Five-Blade Ceiling Fan, White

This really keeps the air moving in our bedroom. During the summer it helps keep it cool and in the winter it moves the hot air down where we live. It's quiet and unintrusive.

Honest reviews on Ellington ELN52WW5 52-Inch Energy Star Five-Blade Ceiling Fan, White

i love the product very much and i'm enjoying to the fullest. it circulates the room very well i have ot installed in my living room and it feels so fresh n it's very quiet. i would recommend this fan to everyone you will enjoy n love trust me.

Find helpful customer reviews and review ratings for Ellington ELN52WW5 52-Inch Energy Star Five-Blade Ceiling Fan, White

The fans were classic looking, and fitted well into the bedrooms where they were installed.