Cree LED, high light of torch for police, public using. Working voltage: 4.5VRunning life: HI:15.3H Low:22.3H Flash:19 ... .3HBattery: AAA alkaline battery * 3LED lamp: CREELED lamp life: 100,000 hoursFunction: rapid zooming/ high-light/ low-light/flash ... ,Led Torch,Cree Led.Germany technology (CE,Rohs,1 year of guarantee)