Upten USB Lights v2 – Rechargeable Bicycle No Tools LED Light Set
Micro USB rechargeable
3 Watt white LED for front light Li-ion 1300mAh battery
COB LED red and white lamp for the rear light, Li-ion 300mAh battery
with low battery indicator
SMART BRAKE SENSOR LED TAIL LIGHT ★ Built-in sensors will activate the brake light feature when it detects a sudden change in motion pattern and blinks in a series of flashes at 60 lumens. If no vibration is detected in 60 seconds, enters into a dormant mode to save energy and is re-activated upon any movements.