Featuresr 3w led bead emits powerful brightness up to 240 lumens excellent for both cyclists and motorists you can take it even when not ridingr 360 degree rotating mount increases your visibility and lets you be seen in any directionr 2 kinds of convenient charging options solar powered and usb charging easily charge from solar energy or any device with a usb portr 4 lighting modes high light low light flashing long press 3 seconds to enter sos mode increases your safety when in