Black Aluminium Alloy Shell IPX6 Waterproof Bike Smart Brake Taillight Bicycle USB Charging Warning Tail Light Cycling

Feature: 1. Built in high precision sensor, with deep algorithm, even slightly brake, taillight can quickly detected. 2. When around light is low, gently move bike and tail light will turn on immediately, if do not move the bike for 45 seconds, tail light will automatically go out. 3. During cycling process, when around light is low, tail light will automatically come on, where light is bright, tail light will automatically go off after 30 seconds. 4. Optimized program algorithm, can filter small amplitude of the bike movements and small bumps in the road, brake light warning will still activated after large crater and shock absorption place. 5. Made of high quality aluminium alloy material, sturdy, durable and long service life. Specification: Condition: 100percent Brand New Item Type: Smart Brake Tail Light Material: Aluminium Alloy Shell Color: Black Battery Type: Polymer Lithium Battery Battery Model: 902025 Battery Capacity: 420mah Waterproofness: Can Waterproof Waterproof Grade: IPX6 Weight: Approx. 80g Function: different riding conditions(normal riding, hollow place section, earthquake zone section, brake)will have different lighting conditions(highlight, slow flash) Tail light are highlighted when starting or braking, and flash when riding Can fixed on the cushion, also can fixed on the seatpost below the cushion . Package List: 1 x Tail Light 1 x Tail Light Connector 2 x Sponge4 x Cable Tie1 x Screw1 x Data Cable1 x Silicone Strap1 x Manual