Waterproof level: IPX6 (rain, splash) Power supply: Built-in 21700*2 9600MHA ternary lithium battery Built-in overcharge and overdischarge protection circuit to extend the service life of the battery Charging indicator: When charging, the indicator screen shows a flashing red light, and when fully charged, the screen shows green. Power display: The LED indicator is green when the power is sufficient, and the LED indicator is red when the power is low. 5 modes: short press the power saving cycle high- medium-low, double click to flash, long press to stop all gears. Battery life: high-end (5H) - mid-range (6.5H) low-end (12H) ) - energy saving (40H) Size: 120 mm (length) * 48 mm (width) * 29 mm (height) Net weight: 280g (9600mAh battery included) Packing list: 1* bicycle light, 1* bracket, 1* Type-C charging cable (0.8m), 1* manual, 1 Instructions Press the switch of the bike light to switch between different modes. Short press high range, medium range, low range, power saving range. Press twice to flash. Precautions: It is normal for bicycle lights to become warm during use. If the bicycle light does not is not used for a long time, please charge it every three months Do not expose your eyes. Keep away from flammable and explosive objects The waterproof level is IPX6, do not immerse the bike light in water. Please put the lights in bicycle out of reach of children to avoid causing accidents. Installation Notes 1. Remove the bracket screws 2. Install the bracket on the bike light handle 3. Tighten the screws 4. Place the bike light on the bracket 5. Push the bike light into the bracket slot and secure it 6. Press and hold the bracket until it unlocks before removing the light from the bike.