The smart Bicycle USB Highlight Light automatically adjusts the brightness according to the surrounding environment. The darker the outside light, the stronger the light, the stronger the outside light, the darker the light of the lamp until it is turned off. High-brightness lamp beads, large floodlight irradiation, greater exposure range, long-range distance, wider vision.

This Waterproof Bicycle Lights set is versatile enough for cycling hiking camping or any outdoor activity and can be used as an emergency flashlight. Suitable for most indoor like home maintenance and outdoor activities like camping, fishing, hiking, map reading, night fishing, night flying, sailing, caving, and hunting.

Features:

• black single headlight
• B black headlights + 056 taillights
• C black headlight +5LED laser tail light 
• D black headlights + USB charging taillights
• T6 headlights, headlights built-in one 18650 battery. USB charging