Protect or Disconnect circuitry pletely disconnects AC power to connected equipment in the event of a catastrophic surge2 diagnostic lights (LED) power on/protection OK and line faultEMI/RFI filtration circuitry for clean unimpeded power1350 joules protectionRemovable paintable cover also may be turned around to hide diagnostic lights3 1/4" W x 5 1/4" H x 1 1/8" D$100000 Limited connected equipment protection warranty