Fenix E20 V2.0 Mid Size Flashlight - The Fenix E20 V2.0 AA flashlight has been upgraded to be brighter and better than its predecessor. Powered by the included AA batteries. It has a maximum output of 350 lumens and the tail switch operates all functions including on/off and four brightness levels, always starting on low. At only 5” long, this flashlight is a perfect everyday carry size. The Fenix E20 V2.0 also features a patented ultra-thin optical lens with an automobile coating which reduces weight and allows for clearer vision. This flashlight is built rugged with a hard-anodized aluminum finish and an IP68 rating; dust-proof and waterproof underwater to 2 meters. The Fenix E20 V2.0 flashlight is a great option for those looking for an affordable standard AA powered flashlight in a compact everyday carry size. A Luminus SST20 LED with a lifespan of 50,000 hours. Powered by 2 x AA batteries (Ni-MH/Alkaline). Digitally regulated circuit for maintaining a stable output. Intelligent overheat protection against high surface temperature. Reverse polarity protection, to protect from improper battery insertion. One-handed operation with the reverse tail switch. Made of A6061-T6 aluminum. Premium type HAIII hard-anodized anti-abrasive finish. Automobile ultra-thin patented optical lens coating process.