C4® LED technology, impervious to shock with a 50,000 hour lifetime |5,200 candela peak beam intensity; 130 Lumens|Run time up to 3 hours|Tailcap push button provides one-handed momentary or constant on" operation.|High impact super tough nylon polymer for exceptional durability and a sure grip|5.22" Long; Lightweight, just 4.1 oz.|IPX7 rated design; waterproof to 1 meter for 30 minutes|Powered by two 3V CR123A lithium batteries (included)