Bicycle Rear Light 6 Modes Bike Tail Light USB Rechargeable Aluminum MTB Road Saddle Seatpost LED Warning Cycling Lamp

Battery: 350 mA/7-30H Charging: Type-C charging When the battery level is below 30%, the red light flashes and the alarm is triggered. When charging, the red light is on and the full charge green light is on 6 Lighting Modes: constant light - slow flashing - breathing - fast flashing - running horse - tai chi Material: Aluminum alloy shell Installation: double bracket for seat bow and seat rod, code table installation rotation