Most other surge suppressors continue to let power through even after their circuits have been damaged, leaving your equipment exposed to future surges. APC?s SurgeArrest fail-safe, which means that once the circuit of the 6-Outlet 120V Audio/Video Surge Protector w/ Coax Protection has been compromised the unit, disconnects equipment from the power supply ensuring that no damaging surges reach your equipment. There is also transformer block spacing, so you can easily connect bulky transformer block plugs without covering up other outlets. Enough outlets for your game console, TV and four other electronic devices. Protection from surges, spikes and even lightning. Surge Protector attenuates EMI/RFI line noise that can cause data errors and keyboard lockups, ensuring better performance of protected equipment. And the Building Wiring Fault Indicator LED informs you of potentially dangerous wiring problems in the wall circuit. -Specifications: -Nominal Input Voltage 120V -Input Frequency 50/60 Hz-Maximum Line Current per phase 15A -Surge energy rating 1700 Joules -EMI/RFI Noise rejection (100 kHz to 10 MHz) 20 dB -Let Through Voltage Rating < 330 -Unit Dimensions: 6.50" H x 4.50" W x 2.25" D, Weight: 0.80 lbs. -Manufacturer?s lifetime warranty & equipment protection of up to $25000