Editorial Review:

Product Description:
Coast LED Lenser LL7570 V1 Moon Lenser bright keychain White LED flashlight Diode charged White LED Sharp, solid spot moon beam Lasts 100 hours on 4x AG13 watch batteries (included) 3 inch size Tie clips to cap, belt, vest Photon tube reflector Spare rubber switch cap under spring Crystal optical lens Gold plated contacts 78mm length, 14m diameter Weighs 45 grams Water resistant This lamp has to be seen to be believed. Its circle of light looks as if drawn with a pair of compasses and calls to mind searchlights or stage spotlights. Our Moon Lenser with its optical high beam lens is a technological marvel. Coast LED Lenser general use lights represent the best combination of quality, efficiency and value. Their exclusive Cloverleaf reflector and crystal reflector tube systems, combined with the highest quality Nichia LEDs, produce the brightest, most efficient flashlights available today. General use flashlights include everything from keychain sized lights to full size C cell powered lights with multiple LEDs, and are perfect for home and emergency use. Coast L.E.D. Flashlight Advantages are 1) Reflector Systems. Coast LED flashlights feature advanced technology that pumps up the light produced by the LED. The result is a broader, deeper and more powerful beam of light. 2) More energy efficient. Coast LED flashlights use patented technology that enables them to create more useful light with fewer LED's than comparable LED flashlights 3) 24 Karat gold contacts. Coast LED flashlights use gold as it is a superior energy conductor, it maximizes the energy for light production. 4) Solid Metal Housings. Most Coast LED flashlights are encased in solid brass with a nickel-alloy coating and rated 54 on the Hardness Scale. Other Coast LED flashlights use the finest Aircraft Grade Aluminum, are hard anodized and guaranteed for life. 5) Patented, higher quality, higher wattage LEDs. Coast LED flashlights use only the very best Nichia and Luxeon LED's.

Amazon.com Product Description:
Key chain lights used to be so simple: bulb, battery, protective casing. Not so with the V1 Moon Lenser, a German-engineered light that uses Led-Lenser technology to burn brighter and with better energy efficiency. Employing a state-of-the-art computer diode design, the V1 Moon Lenser features a photon tube reflector that provides a bright solid spot beam. These torches are up to 10 times as bright as conventional flashlights, and the batteries last up to 10 times longer. The light burns cold rather than hot, so it's safer to handle and conserves heat energy. In addition, it runs for 300 hours without a battery change. And the battery is the only thing you'll have to change, as the V1 Moon Lenser doesn't take traditional bulbs that are prone to burnout. Not too shabby for a key chain accessory.

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Rating: - Great little light...
It's amazing how little light you need when it's truly dark. This little guy certainly delivers the light you need when you need it. It's very convenient because it's small and bright for its size. I like the light despite the button's lack of durability cited in other reviews. I generally keep the clip over the button which protects it from contact with other stuff you might have in your pocket. With the clip over the button, you can also use it in a "pulse mode" if you're into morse code or signalling. Batteries are easy to replace and last a really long time.

Favorite features:
- comes with a keychain to keep it handy
- keychain is also a good way to hang it up to cast light in a broader area
- long battery life
- plenty of light from a small package
- clip is handy for attaching to hat bill for hands free operation
- stows away easily in small places (briefcase, purse, backpack, etc.)

I really like this light. I'd recommend it as a great stocking stuffer or business gift, too.

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Rating: - Excellent light, terrible button.
Great little light; bright, tiny, and perfect for keychain use. I used it everywhere. Then the little rubber button fell off and it's now useless. Another reviewer pointed out the same thing. It's a tremendous little flashlight with a flaw that makes it not such a great buy.

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Rating: - So Small, So Bright!
Do not shine this in anyones eyes. They pack some serious light into a small package.

This light makes a very attractive and bright keychain light. The clip works great for clipping to the brim of a hat for hands free use. Very solid construction. Batteries are sold in 3 packs at the Wal*mart watch counter (fairly inexpensive). I only know this because I left it on accidently for 24 hours.

I wish that the light could be focused, which seeems to be difficult for LED flashlights. I also wish that there was a quick-release for the keychain lanyard. Would make it easier to use with the hat or free from the burden of a couple of pounds of keys. :)

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Rating: - The button switch of the key chain light
This little flashlight is gorgeous and is almost all I could want in a tiny flashlight. But I have it on my key ring in my pocket and the little rubber button switch comes off and eventually gets lost. It could have a better switch.

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Rating: - What A Bright Idea!

I thought that I might use this as a makeshift AF illuminator for some of my point and shoot cameras that have trouble focusing in low-light situations. To be honest I haven't tried it for that purpose yet. However, this is obviously a stylish, compact, and powerful item of quality-build and I give it 5 stars based on those characteristics.

It operates using 4 "LR44" (also known as "AG13") type batteries which are not hard to find when the time comes to replace them; they are inserted via the bottom of the thing, where the chain attaches - just unscrew.

A neat thing you can do is reverse the clip and then attach the light to the bill of your cap so you are "hands-free" if you need to be.

The only complaint might be that the on-off button is somewhat difficult to "mash" on and off; but all in all this key chain light is well worth having. I give it Five stars!