Very nice

The SL-300+ and SL-R1+ 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!
2 x SL-300+
2 x SL-R1+
4 x Skateboard Mounts (optional)
2 x Dual USB-C Charging Cable
30 Day Money Back Guarantee
1 Year Full Coverage Warranty
The SL-300+ and SL-R1+ 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!
2 x SL-300+
2 x SL-R1+
4 x Skateboard Mounts (optional)
2 x Dual USB-C Charging Cable
30 Day Money Back Guarantee
1 Year Full Coverage Warranty
The SL-R1+ must be parallel to the ground with the lens pointing opposite to the direction of movement (backwards) in order to detect the correct braking direction. When you slow down rapidly, the SL-R1+ changes from the current light mode to solid mode at full brightness for 2 seconds (or longer depending on how fast you are moving) then returns to the current light mode.
Yes! You can download it here.
Yes, you can use the SL-300+ and SL-R1+ without the app including Brake Mode and Group Sync.