Function: long press switch: ON/OFFBrightness:300LMClick switch: high brightness/medium brightness/low brightness/fast flash/SOS flashLamp beads:3535 5W LEDLighting modes: 5 typesBattery life: high brightness 2h/medium brightness 2.5h/low brightness 6h/fast flash 6h/SOS flash 2.5hSize:68x30mmMaterial: aluminum alloy/plasticWeight:75gBattery: 900mAh/3.33WhColour: Black ‘