Streamlight 88031 ProTac Tactical Flashlight with White LED: * Light Source: C4 LED, with a 50,000 hour lifetime * Lens: Glass lens, O-ring sealed * Battery: Two 3V "CR 123A" lithium batteries with a shelf life of 10 years * On/Off: Multi-function, push-button tactical tailswitch. One handed operation of momentary or variable intensity mode * Features: LED solid state power regulation provides maximum light output throughout battery life * IP X7 rated design; waterproof to 1 meter for 30 minutes * Anti-roll facecap * Removable pocket clip * Serialized for positive identification