Mini and Mighty: A 2.2 Inch super-bright light featuring 20 Lumens, 120 Candela with a 22-Meter beam distance Easy On Operation: Includes a non-rotating snap hook for easy one-handed operation when attached to a keychain Goes with You Everywhere: Easily attaches to key rings and zippers, and fits in your pocket without taking up a lot of space Includes one AAAA Alkaline Battery Built Streamlight Tough: Durable and lightweight anodized aluminum and IPX7-rated design; 2-Meter impact resistance tested