Bicycle Taillights Usb Charging Smart Induction Automatic Rear Light

1.mart motion detection: The lights will automatically turn off one minute after detecting the stop motion, and will automatically start again when you re-ride the bike.2. Unique light detection function: It will be turned on in the brightest mode during the day and used as a daytime running light. At night, the car lights will gradually dim and become a warning light.3. Press control: long Press to switch blinking mode, short Press to turn on.4. Four flashing modes: long bright-gradually brighter and gradually darker-slow flash-fast flashSpecifications:Waterproof: IPX-4Battery capacity: 250mAhColour:RedMaterial:PCSize:6.5 x 4.2cmPackage Contents:1 * tail light1 * usb cable2 * straps1 * Chinese and English instructionsOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.