... (Option: 4200k,5000k,8000k,10000k) Battery modeICR18650X3S2P(4400mAh)Optical efficiency70LM/W Battery charge voltage12.6V±0.1VMaterialALU Battery lifespan (charge and discharge times)≥500timesWeight1 ... , patrol work, moving light, expedition, and indoor emergency lightingAccessories: lithium battery,charger, cig charger,suspender,filter,battery cover,switch cover HID flashlight