The Magicshine Seemee 150 V2.0 rear light is small and compact. Equipped with smart sensors and enough power for use both day and night. The Seemee 150 V2.0 rear light can provide high power up to 150 lumens and 260° visibility. 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.