The unique aerolite provides fantastic visibility making it ideal for the regular rider commuter this compact light includes both a front and rear light in one unit features 1 pc cree xh g 1 pc 7 chips cob high brightness red led rechargeable lithium ion battery 37v 700mah usb rechargeable 6 modes h high h over drive h flashing h flashing t flashing h over drive t flashing h over drive t over drive quick release universal bracket rb