This rear light provides you with 25 Lumen of bright red light to keep you visible during your rides. It's micro-USB-chargable, has 5 different brightess modes and provides up to 70h run time in eco mode. Compatible with all Roadmachine models (from 2024), Speedmachine 01 and is easy to attach and detach. Mode / brightness-runtime High: 25 lumens - 2.5 hours Standard: 13 lumens - 5 hours Strobe: 23 lumens - 15 hours Flash: 11 lumens - 65 hours Eco: 4 lumens - 70 hours Charge time 1.5h (Micro USB, 5V 1A) Charge cable provided RoHS / CE compliant -10° ~ +50° operating temperature (°C) IP rating IP56