New out of box- ZeroSurge heavy-duty, rack-mount surge protector, 1RM15WI, is certified to withstand up to 1,000 surges of up to 6,000 volts (3,000 amps). Protect all your devices and equipment. Great for theatre systems, computers, gaming systems and electronics. Originally $400 each. 10 available. Will negotiate bulk price if purchase multiple. Email for pics.