Features1High brightness, safer riding, using high luminous flux, the brightness is greatly improved, and the warning becomes more and more obvious. 2Universal USB charging port, anytime, anywhere, fast charging with silicone seal, good waterproof and dustproof effect. 3Loud loudspeaker is very easy and safe to remind passersby, safer riding at night. 4Using highlumen wick, the brightness is greatly improved, and the warning is farther and more obvious. 5The product is made of high quality ABS material, very durable and tsurdy, ready for long term use.SpecificationItem Type: Bike Turn SignalColor: BlackMaterial: ABSLight Bead Type: LEDBattery Capacity: 900mAhBattery Type: Lithium Battery(Included)Charging Time: 3hUse Time: 36hCharging Method: USB PortWeight: Approx. 108g/0.2inPackage List1 x Bike Signal1 x USB Cable1 x Fix Supporter1 x Remote Controller2 x Binding Circle