Feature:

The intelligent sensing design of this bike tail lights allows them to automatically light up when braking. Ensuring you stay visible and safe on the road.

The built-in 400mAh rechargeable lithium battery in this bike rear lights provides long-lasting power, it easy to charge from a computer, power bank, or any device with a USB port.

It come with five different lighting modes to choose from, including single flash（20-22h）, double flash（17-20h）, breathing flash（11-12h）, rotating flash（20-22h）, and constant light（3.5-4h）, to meet your preferences and needs.

Auto On/Off, in intelligent mode, it will automatically turn on or off based on whether the bicycle is in a riding state.

With IPX6 waterproof no worrier for rainy day. Four breathing indicator lights display remaining battery, each indicating 25% battery.

Rechargeable LED Tail light

Smart Sensor Brake-- gurad your safety for your cycling

Mini Size - portable to carry

Easy to install--two brackets

Brand: Rockbors

Name: Bicycling smart brake tail light

Material: ABS+PC

Weight: about 26g

For: Road bike, MTB mountain Bike, Folding Bike.

Modes: 5 types single flash, double flash, breath flash, rotate flash, constant light.