Powertac E2 (Gen II) LED KeychainTactical Quality in Compact FormThe Powertac E2 is a keychain sized light built with the care and quality of a high end tactical LED flashlight. The body of this light is crafted out of the same aircraft-grade aluminum and hard anodized coating that are used in serious tactical models. The E2 also uses a Cree XP-G2 LED capable of up to 142 lumens of output. Compact size makes this a perfect pocket sized light, great for all of your simple lighting necessities. Features: Stable Current regulated circuit for stable brightness Made of durable aircraft-grade aluminum Premium type III hard-anodized anti-abrasive finish IPX-8 Waterproof Toughened double ultra-clear glass lens Reliable twist switch Candle mode (can do a tail stand to operate as a candle) Includes: Keychain Specifications: Light Source: Cree XP-G2 LED Runs On: 1x AA battery (NiMh or Alkaline) Output Mode / Runtime: High: 142 Lumens (1.1 hours) Medium: 65 Lumens (2.8 Hours) Low: 31 Lumens (6.5 Hours) Firefly: .05 Lumens (260 Hours) Dimensions: Diameter: 17mm Length: 81mm Weight: 23 grams (without battery)