Features1The main body is made of highquality engineering plastics, which is environmentally friendly and ensures the lightweight of the product. 2USB charging is convenient and fast, universal USB cable, good compatibility, allowing you to charge quickly anytime, anywhere. 3LED technology, COB light on the entire surface, highlighting 100lm, to achieve an overall smoothly design. 42 modes and 7 effects can be switched cyclically, battery automatic protection function, voltage lower than 2.8V does not work. 5Silicone strapping fixation, 120 degree orientation adjustment, easy to disassemble and install. 6Square back buckle design, can be installed at different angles horizontally and vertically on the seat tube, lower fork, handlebar, front fork, etc.SpecificationItem Type:Bike Tail LightMaterial: PlasticLight Color: Red/Blue/GreenStrap Range: Approx. 15-35cm/5.9-13.8inLight Size: Approx. 85x22x18mm/3.3x0.9x0.7inWeight: Approx. 72.0g/2.5ozFunction: Bicycle warning light, bicycle auxiliary lightingSpecification: 100lm, 500mAh Li-ion BatteryPackage List1 x Bike Tail Light1 x Strap1 x USB Cable1 x Manual1 x Pad