The MET magnetic USB LED light is attached to the back of the helmet and ensures visibility in all conditions. FEATURES 25 high-intensity red LEDs, 10 lumens Battery life up to 350 min. Constant, pulse, strobe, power saving and automatic night safety mode Integrated light sensor Easy rechargeable lithium battery via Micro-USB (60 min) USB Micro-B to USB A cable included 2 magnetic holders COMPATIBILITY Rivale Mips Estro Mips Vinci Mips Veleno / Veleno Mips Allroad / Allroad Mips Intercity Mips (tool-free attachment) Urbex Mips (tool-free attachment)