Rechargeable 3 Mode Adjustable Zoom Cree LED Flashlight with Case, K96, Black Nominal working current: 750mA, Nominal working voltage: 3.7V. Shell material: T6061 aeronautic aluminum alloy. Made by CNC Machining Center. Battery: 1 x 18650 rechargeable battery(include), Dimension: 1.56in, Color: Golden. Strong light level: current: 750 mA, brightness: 180LM. Week light level: current: 350mA, brightness: 100LM.