TWOOC 6-Modes Intelligent USB Charging Bicycle Brake Light Wireless Waterproof Cycle Brake Lamp Adjust Backpack Bike Lam

Specifications ModelSuper oneMaterialAluminum alloy ABS PCCharging inputDC5V 280mAh Charging time2 hours and 20 minutesBatteryPolymer battery 420mAh 1 554Wh 3 7VWaterproof ratingIPX6Constant brightness46 lumensPacking size40x66x147mmPackage weight89gColorBlackFeatures Braking is sensitive close to zero misjudgment Horizontal angle adaptation Precise movement start and stop Start and stop sensitive light Automatic manual mode switching IPX6 Waterproof 33 5 Hours Long Battery Life Power Display FunctionPackage included 1 x Bicycle Taillight