Bike Lights for Night Riding, USB Rechargeable Bike Light, Bicycle Headlight with Power Bank Function, Super Bright Mountain Bike Front Light

Dual-core LED Lamp Beads: The front bike light utilizes two LED-T6 white LEDs, which has longer life than the common beads, and maximum 1000 lumens output to 300 meters Adjustable Light Brightness & Smart LED Indicator 1. Smart Digital LED Display show the remaining time of charging and working. 2. Press the white or black arrow to adjust the appropriate light brightness according to the environment?5 brightness avaliable?. 3. Press and hold the key for 3 seconds to enter the slow flash (SOS) mode, and press the second time for (SOS) fast flash mode. IP64 Waterproof The cycle light is IP-64 rated waterproof, so you don’t need to worry about riding in rainy condition, but do not directly immerse this product in water.