1. Weatherproof durability: Designed to be waterproof, rear lights and side lights retain functionality even on rainy days or slippery roads. Made from impactresistant materials, they excellent performance and durability in various weather conditions. 2. Antitheft function with location tracking: This rear light is equipped with a builtin FOR module that allows users to track their bike via Apple's Find My network. Enabling simple location monitoring by phone or other Find My enabled apps greatly increases the chances of recovery in the event of theft. 3. Enhanced Side Visibility with Reflective Side Lights: Reflective side lights help improve lateral visibility at night or in lowlight conditions, ensuring timely detection by other road users and reducing the risk of incidents. 4. Versatile design for improved : Doubling as a highperformance tail light, it features highbrightness LED beads with different flashing and steady modes for optimal visibility when driving at night. Its compact size is suitable for mounting on the seat tube or other positions.