ROCKBROS USB Rechargeable Bike Front Light, 1500 Lumens Powerful LED Bicycle Lights IPX6 Waterproof Headlight with 5 Light Modes for Mountain and Road Cycling Safety

INTELLIGENT BRIGHTNESS ADJUSTMENT: The front light automatically adjusts the brightness to ambient light at night when in smart mode (blue flash light) to save energy. 3 TYPES OF INSTALLATION: With the help of this headlight accessories, you can mount the light above the handlebar, under the handlebar and on a GPS mount. POWERFUL BRIGHTNESS: Up to 1500 lumens providing plenty of light for night driving. The wide 90 degree lighting range for clearer vision. IPX6 WATERPROOF: Robust aluminum alloy casing, waterproof, rustproof and drop resistant. The headlight is equipped with a battery with a capacity of 5500 mAh. 5 LIGHTING MODES: 1500 lumen high light - 2 hours, 600 lumen medium light - 3.5 hours, 400 lumen low light - 6 hours, 200 lumen energy saving mode - 10 hours, warning flash of 200 lumens.