hid flashlight: Product Features: Working environment temperature -20 +50C Starting environment temperature0 +50C Waterproof degreeunderwater 100m Continual illuminate time≥120mins Brightness2500LM Bulb life-span≈3000hrs Irradiation distance≤500 Color temperature6000K (Option:4200K, 5000K,8000K,10000K) Optical efficiency60LM/W MaterialALU Weight1.56kgElectricity parameters: Ballast input voltage 9 16V Working voltage12.6V Working current2A Starting max current8A Power output35W Output temporary max voltage:23KV Battery modeICR18650X3S3P(6600mAh) Battery charge voltage12.6V ± 0.1V Battery lifespan (charge and discharge times)≥500 times