Item Type FlashlightsLighting Distance > 500 metersSupport Dimmer 5-8 filesLumen > 350Waterproof YesFlashlight Type Lighting， CampingZoom YesSwitch Mode High/Middle/LowColor BlackFunction Shock ResistantBattery Type 18650Certification CCCBody Material Aluminum AlloyLight Source Neutral WhiteCharger RechargeableBrand Name WasingModel Number S3Body Color BlackSpecificationsBattery: 3.7V 2000 mAh 18650 Lithium ion BatteryLED Bulb: Cree XPE LED Charger: Input AC 100-240V~ 50/60HzCharging Time: 6-8 Hours Continuous Time: 3-12 hoursIncluding: Battery charger & StrapInstructionsBattery installationUnscrew the tail tap， the positive end(+) is in the front position， and the negative end-is in the back position install the batteries. Then screw the tail cap tightly.Lighting pattern adjustmentHold the flashlight body snd push the head part to adjust the lighting pattern from floodlight to spot beam.Stretch the light cap and switch to camping light mode.Push the light cap back and switch to flashlight mode.