【Smart Brake Sensing】 Brake induction taillights, built-in high-precision sensors, the taillights can quickly detect even light braking when braking. At that time, the bicycle lights are super bright and have high visibility from a long distance, attracting the attention of bicycles and vehicles behind them, so as to improve your safety when riding a bicycle.

【Intelligent Manual Switching】 In the manual mode, the taillight of the smart car will always be on as long as it is turned on when it is on for a long time. In the smart mode, it will automatically detect the ambient brightness of the taillights and determine whether the taillights are lit or not when riding.Bike rear light supports six flashing modes:always-on,breathing flashing,slow flashing,quick flashing,rhythm flashing and energy saving.

【Fresnel lens design】Smart Bike Tail Light has a Fresnel lens that is far away from the design, with 20 bright LED lamp beads, creating a high-brightness, soft and non-glaring lighting effect.

【Long battery life & waterproof】 The Brake Sensing Rear Lights 1 X 350mAH rechargeable lithium battery and the working time will lasts 15-48 hours; The charging port has a rubber sealing cover to prevent dust and water. The bicycle taillights are also waterproof and dustproof at ip65 level, and can be used in harsh environments such as rainy days; there is no need to remove the lights even when washing the car.

【Easy to install】Bike Tail Light has two installation systems. Strap seat tube installation, the rubber ring on the round tube is also suitable for high elasticity, durability and large diameter seatpost. It is installed under the seat cushion and installed on the bottom of the saddle firmly and does not take up space to prevent rain and scratches.