Bryton Rider 550 cycle computer unit. Used for about 2 months, operation confirmed. - Front: No dirt or scratches on the screen, no LCD abnormalities - Back: Mount area shows signs of wear from use - No abnormalities in power and switch operation - System reset to factory default settings - Accessories: Charging cable, mount base, strap - Please obtain the instruction manual from the web Please check the photos. Please consider this item, understanding that it is a used product. Shipping method will be Yu-Packet Post Mini.