Features and Benefits: Super bright C4 LED produces up to 150 lumens Lightweight, waterproof nylon polymer housing is virtually indestructible C4 LED has a 50,000 hour lifetime and never needs replaced Push button tailcap \”on-off\” and rotating \”safe\” position High performance C4 LED is impervious to shock Run time of up to 3 continuous hours. Waterproof 1 meter for 30 minutes.Includes batteries. Black. 5.65\”, 4.4 oz.