Protect your valuable electronics without breaking your budget. This surge suppressor guards against damaging spikes and surges, providing a secure barrier for your sensitive electrical equipment and precious data. The negative effects of Electromagnetic and Radio Frequency Interference (EMI/RFI are also eliminated by a built-in noise filter. Wall-mountable, impact-resistant ABS plastics keep the unit looking good for years to come. 14 AWG power cord is 4 feet long. For indoor use only.