Photon Microlight II (photo: PhotonLight)
Keychain LED flashlights are one of the oldest and most common consumer applications of LED technology. And with good reason: the compact size of LEDs makes them perfect for these convenient and inexpensive personal lights. Here are four of the top keychain micro-lights on the market.
Photon Micro-Light II
The Photon II is truly tiny: it’s barely an inch across, and weighs just 6 grams. The Photon II operates with a squeeze button, and its LED is bright enough to be seen a mile away. A replaceable lithium battery provides power for up to 12 hours. And according to the manufacturer, this light has proved itself in serious field-testing by Space Shuttle crews and US Secret Service agents. The Photon II is available with a variety of light choices, including white, red, orange, green, purple, and infrared beams.
Find the Photon Micro-Light II at Amazon (prices from $7.60 depending on LED color).
Streamlight Nanolight
Streamlight Nanolight (photo: Streamlight, Inc.)
The Nanolight is a durable, weatherproof keychain LED from Streamlight that features an anodized aircraft aluminum casing and a 100,000 hour LED. Four alkaline button cell batteries provide up to eight hours of light from the 10-lumen LED. The Nanolight is shaped like a traditional cylindrical flashlight instead of a flat disc, but it still qualifies as a keychain light at just 1.47” long and 1/3 of an ounce.
The Streamlight Nanolight is available for $7.84 from Amazon.
ASP Sapphire
ASP Sapphire (photo: ASP, Inc.)
The Sapphire from ASP is housed in a rugged forged aluminum case and features a tri-ring clip to attach it to a belt or keychain. The bright LED light is visible for a mile and casts a 180-degree beam. 3-volt lithium batteries provide power for the Sapphire’s brilliant blue LED beam.
The ASP Sapphire is available at Amazon for $8.45.
eGear LED Keychain Lantern
eGear LED Keychain Lantern (photo: Essential Gear, Inc.)
Instead of a focused beam, the eGear LED Keychain Lantern provides 3.5 lumens of even area lighting thanks to a unique conical reflector. The single LED provides up to 25 hours of steady light with two coin-cell lithium batteries, and it can also operate in a flashing mode for up to 50 hours. The water-resistant Keychain Lantern stands just 2.5” tall and features a carabiner attachment clip.
You can find the eGear LED Keychain Lantern at Amazon for $10.
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