The Magicshine Seemee 150 V2.0 light set consists of a front and a rear light, forming a small and compact unit. The rear light is equipped with a motion sensor and an integrated light sensor. Both Magicshine Seemee 150 lights can provide a high output of up to 150 lumens and 260° visibility. This light set will keep you safe day and night. Maximum output of up to 150 lumens. The 260º viewing angle gives you a complete view. 5 Modes: low, high, flash, group ride and smart. Smart-Day Flash mode, specifically designed to offer maximum daytime visibility. Built-in motion sensor, turns on automatically when braking (can be turned on/off manually). The built-in light sensor automatically adjusts the brightness to your environment. Low power mode (auto) to extend operating time efficiently. Multiple mounting methods that adapt to the saddle and different posts. Memory function, battery indicator and rechargeable via USB-C. IPX6 rating, resistant to heavy rain, all-weather proof. Extremely lightweight lights, 26 grams each.