Features and functions: Light dimming function: 10% - 50% - 100% light dimming function ON/OFF switch with motion sensor (wave your hand back and forth to turn the lamp on/off - this solution avoids accidental switching on with hand movements) Specifications: Lithium battery: 3.7V 1400mAh power consumption: 0.4A battery efficiency: 100% power - 350lm - max 3.5h; 50% power - 160lm - max 7h; 10% power - 35lm - max 30h Charging time: 2.6h (depending on charger and ambient temperature) charging: micro USB cable, 5V 1A charger (included) charging temperature: -5°C to +45°C LED type: 1x5W/ 350lm COB LED 6500K ZOOM in/out light beam adjustment, max distance 112.9m operating temperature: -10°C to +50°C mechanical protection class: IKO8 Degree of protection: IP65 Loading: Fully charge the battery before using the lamp for the first time. The lamp should be charged at least once every 3 months to preserve battery life, but it is strongly recommended to charge every 2 weeks. Charging with AC adapter: Connect the power adapter to a standard 100V-240V AC power outlet. To charge the light, use the included 100-240V EU USB charger and USB cable. The green LED shows the charging status. When the battery is fully charged, the red LED in the upper left corner will turn green. The ambient temperature affects the charging and discharging time. Usufruct: By turning the knob, you can adjust the brightness in any way you want. Using the hand motion sensor switch-on: Press the button with waves - the sensor in the upper right corner will be turned on. Keeping about 10cm distance from the lamp, wave your hand back and forth to turn the lamp on/off. Be sure to turn the dial off when you are done with your work to avoid draining the battery. Brightness and SOS change - press the "M" button to change the light mode: 50% - 100% - SOS. Set contents: AC AC charger USB charging cable Manual