This rear light provides you with 20 Lumen of bright red light to keep you visible during your rides. It's micro-USB-chargable, has 2 different brightess modes and provides up to 3.5h run time. Compatible with all Roadmachine models (from 2024), Speedmachine 01 and is easy to attach and detach. This version is StVO approved for use on German roads. Mode / brightness-runtime High : 20 lumens - 2 hours Standard : 11 lumens - 3.5 hours Charge time 1.5h (Micro USB, 5V 1A) Charge cable provided RoHS / CE compliant -10° ~ +50° operating temperature (°C) IP rating IP56