Moon comet front lightthis innovative light delivers a type of light that is really visible features 16 chips high brightness white led rechargeable lithium polymer battery3 7v 500mah 6 modes standardhighover drive50 flashing 100 flashing strobe quick release rubber strap handle barseatpost mount fits 22 31 8mm low battery charging and fully charged indicator automatic fully charged cut off system side visibility water resistant usb rechargeable size80 x 22 x 17mm runtime1 hou