UPS,off line type,used for computer UPS,off line type,used for computerUPS-500VAThis kind of interrupted power ... function (Optional) * Dry contact communication with monitoring software (Optional) Capacity : UPS-J500VA,650VA,800VA,1000VA,1200VAInput: * 110V or 220V +- 20% Output; * 110V ... 220V+ - 10% Wave form: Transfer time less than 10Ms UPS-500VA/1000VA/1200VA,off line type,used for computer