West Biking Cycling Taillights Rear Light Whirling Windmill LED Bicycle Warning lights Tail Light 8 Light Modes USB Charge Bike Light Waterproof Safety Warning Seatpost Cycling Light

West Biking. Brand Name: West Biking. Model Number: YP0701271. Certification: CE. Mounting Placement: Seatpost. Power Supply: Battery. Name: Bicycle Tail Light. Color: Red/White. Power supply: USB. Lighting mode: 8 types. Nickname: Bike Tail Light. Whirling Windmill LED Bicycle Tail Light 8 Light Modes USB Charge Bike Light Waterproof Safety Warning Cycling Seatpost Light. Introductions: Turn on or off, Press for longer than 1.5 seconds. Function mode always bright, 50 bright, fast flash, backward flash, slow flash, forward flash, leaping flash, windmill flash. Product Information: Size 25mm long, 40mm wide, 40mm high. Weight: 23 g not including installing support). Material high strength PC material. Battery when 3.7V 500mA, charging time is 2h. Runtime: 100 steady3.10h, 50%steady 6.30h, fastflash6.20h, backwardflash12.25h, slowflash12.10h, forwardflash12.05h, leapingflash18h, windmillflash4h. USB charge coil 25cm 1A. Charging ways 5V adapter, computer, USB charger