The SL-300+ are compact smart lights that are the ultimate night riding companions. Control your lights wirelessly via Bluetooth, syncing them to the app and each other. Adjust brightness with ease with up to 300 lumens per light. Stay visible with 3 flash modes and Group Sync, keeping all lights flashing in unison for added safety. Use Brake Mode to automatically let others know that you're slowing down. Compatible with any S-LOCK mounts, they’re easy to install on any of your rides. Enjoy the convenience of Auto on/off and never press a button again. Order now and ride safer and brighter!