IP65 Waterproof USB Rechargeable Smart COB LED Alarm Bicycle Rear Light Taillight with Remote Control, Control Distance: 1-100m

1. USB charging, charge 2-3 hours, use about 15 days
2. With 3 modes: flash, normal, slow flash
3. Wireless remote control, automatic alarm
4. IP65 waterproof, outdoor riding in rainy days