Bright and superlight, 100 lumens and only 19 gram, 3 watt light source, Daytime mode, providing security in all light and weather conditions, Can be mounted without tools, Charge on the ride: recharge with a power bank while on the ride, Battery indicator included, Multi-mounting: can be mounted on a bicycle helmet and handlebar, Dimensions: 50mm x 21mm x 21,6mm, Weight: 19 g