Nilight, Pure Copper RV Surge Protector Circuit Analyzer, for Camper Van with Extension Cord

50 AMP RV Surge Protector features NEMA 14-50P and NEMA 14-50R connections rated for 125 volts and 6250 watts protects your RV from dangerously high or low voltage levels and power surges with 4200 Joules of surge protection High performance equipped with 12 MOVs in the internal circuit board to minimize fire risks from lightning strikes or sudden surges constructed with 100 percent pure copper and heavy-duty flame retardant heat-resilient PVC sheath for durability Circuit analyzer designed with an indicator light to assess RV power safety the diagnostic chart provides LED indications for various wiring conditions including Power On Open Neutral Open Ground and more easy plug-and-play installation with clear LED status indicators ETL certified tested at an ETL laboratory to meet all applicable safety standards Package includes the 50 AMP RV Surge Protector and instruction manual