Winstar U 45W/65W/85W Rechargeable HID Xenon Flashlight Torch 8500 Lumen 8700mAh Black Perfect double low-voltage and Overheat self-protection function Low-voltage notice function to remind user to charge the battery and LOW current start feature. Power output 45W//65W/85W (3 modes) High Intensity Brightness 4200LM(45W) 6000LM(65W) 8500LM(85W) Material Aerospace-Grade Aluminum alloy (6061 T6)