TINMIU Rear Bike Light, Brake Sensor, Auto On/Off, 7 Light Mode Options, IPX5 Waterproof, Ultra Bright Rechargeable Bike Tail Safety Light, Memory Function, Aluminium Alloy Body
Product Features Brake Sensor: Under each mode, when the light detect a deceleration, it will turn the brightness to the highest level. So it can warn the car behind that you are slowing down or going to stop your bike. Increase the safety of your riding trip. Reduce rear-end collision problem. Intelligent Mode: Auto ON/OFF