Powertac E1 G2 LED Keychain Flashlight - 300 LumensNever find yourself without a light source with the incredibly compact Powertac E1 G2 LED Keychain Flashlight. Less than 3 inches long and under an inch in diameter, this convenient flashlight is able to produce a brilliant 300 Lumens of illumination while running on just 1 CR123A or RCR123A battery. The E1 also features 3 lower constant brightness settings that range from 150 Lumens all the way down to a dim 3.5 Lumens as well as a Strobe Setting to fit a wide variety of needs. While very compact, the E1 is also extremely durable, made from a rugged aircraft-grade aluminum with a hard anodized anti-abrasive finish, making it impact resistant from as high as 4 meters and waterproof and submersible up to 2 meters underwater. The flashlight comes with tail stand capability so it can be used as a candle when needed. With a key ring included, this flashlight can be easily attached to your keys so you'll always have a light source by your side.Features: Aircraft-grade aluminum structure with hard anodized anti-abrasive finish Tempered double coated ultra-clear glass lens Smooth reflector for maximum beam distance and light output Tail stand capability for use as a candle Compact easy-to-use twist switch Reverse polarity protection and regulated current for safer use Memory function to stay at any one of the 5 modes Included Accessories: Key Ring Spare O-Rings (2) Specifications: Dimensions (Length x Diameter): 2.76" x 0.87" Weight: 1.24 oz. Power Source: 1 x CR123A OR 1 X RCR123A LED: CREE XM-L LED Peak Beam Distance: 78 meters Impact Resistance: 4.0 meters IPX Rating: IPX-8 (Waterproof, Submersible up to 2 meters) Brightness / Run Times: High: 300 Lumens / 40 Min. Medium: 150 Lumens / 1 Hour 36 Min. Low: 61 Lumens / 3 Hours 30 Min. Firefly: 3.5 Lumens / 80 Hours Strobe: 300 Lumens / 1 Hour 30 Min.