Model Number : Bycicle light 031Name : Flashlight For BicycleColor : Black RedSwitch : Auto/Manual OptionalFeature : Brake inductionType : Smart bicycle lightSmart Bicycle Tail Rear Light USB Charge Led Bike Light Flash Tail Rear Bicycle Lights for Mountains Bike SeatpostProduct Name: Smart Bicycle Tail LightColor: black + black, black + redWaterproof rating: IP65Battery capacity: 420mahCharging port: USBLighting mode: always on-breathing flash-slow flash-fast flash-rhythm flash-ECO fast flash (six modes, one key switch)Material: ABS+PCSize: about 3*3*4cmQuantity: 1 set:1. High-brightness LED lamp beads, Fresnel lens lampshade, built-in 420mah polymer lithium battery, USB fast charging2. With power display function, short press the switch in the shutdown state, the green indicator light shows the remaining power3. Vibration induction, automatic wake-up function, automatically turn off the light when parking for 30 seconds without vibration, and automatically turn on the light when vibration is felt (except in the constant light mode)2. Lightweight and compact, easy to carry, the car lights are waterproof design, not afraid of the impact of bad weather such as rain on the car lightsThe package includes:1*Smart Bike Tail Light1*USB charging cable1*installation accessories1*Instruction