Certification: NONEOrigin: CN(Origin)Mounting Placement: SeatpostSize: 43*27mmColor: blackMaterial: PC engineering materialsCharging time: 1 hourCharging port: Type-CBattery: built in 350MAH and 230MAH lithium ion batteryWaterproof: IPX4Support: Dropshipping/fast shippingproduct: Led Bike Light Flash...