Leviton COMMERCIAL Surge Protector Suppressor CATV Commercial Specification Grade, rated 15A 125V 1875W Provide excellent surge suppression &amp; EMI/RFI noise attenuation for microprocessor-driven electronic equipment 2 F-type connectors (1 input and 1 output) - fit standard coaxial cables Indicator lights confirm unit is operating &amp; properly grounded Audible alarm indicates when protection is no longer active