.The flashlight introduce three down-to-date CREE MCE 30w LED chip, the total electric power is 30w, high bright, long cannon-shot; .The flashlight introduce inland A lithium cell, it is can be charge power more than 500 times; .The flashlight have a waterproof duralumin crust,be the same with defending, peaceful against, the security guard goes on patrol, the diving, the open country exploration, the mountaineering, goes hunting and so on; Working environment temperature:-20°C +50°C Staring environment temperature:-0°C +50°C Waterproof degree:100meter depth Continual illuminate time:120minutes Brightness:1650LM Bulb life-span≈3000hrs Bulb :CREE MCE 30WX1 Optical efficiency:70LM/W Material:ALU Weight:1.35kg Power output:30W Battery mode:ICR 32650X2 All flashlight surface treatment and color can be processed according to customer requirements