Portable RV Surge Protector 50 Amp: Upgraded 8400 Joules smart rv surge protector 50amp is a must have for rv campers. It can identify the faulty power very quickly. Protects your RV electrical equipment power system from dangerous high or low voltage, even sudden power surges caused by thunderstorms or lightning strikes. Great camper accessories gifts for RV, travel trailers, motorhome. Circuit Analyzer: The resettable 50 Amp RV surge protector has the circuit analyzer function and the diagnostic chart. This allows you to test the quality of your power before connecting your RV, by verifying if the power source is correctly wired and by helping detect most wiring faults. The 50A RV Circuit Analyzer Diagnostic Chart indicates the following faults: Correct Wiring, Open Ground, Open Neutral, Reverse Polarity, hot/Ground Reversed, and No Power. Reliable Surge Protector Circuit: level complementary surge protector circuit is composed of TVS (transient voltage suppressor), MOV (metal oxide varistor), GDT (gas discharge tube), which can minimize the risk of fire from lighting strikes, power surge and sudden surges. Protecting your RV electrical equipments from damage. Safety Protection: This Surge Protector was designed with a high quality waterproof cover. The IP67 Waterproof camper surge protector is all weather resistant and can be used in all seasons, which protects the rv circuit from rain, wind, nasty storms and other bad weather. Effectively reduce the risk of short circuit or fire. Designed with Easy To Use Handles: The RV Surge Protector plugs are designed with ergonomic power grip handles to safely and easily plug and unplug it, featuring a right-angle male connector to provide a reliable low-damage and low-bend interface with your power source. Made of high quality rubber and pure copper material, the Surge Protector must be a great guard for your RV. Our goal is to bring each customer a special shopping experience through our latest unique design and high-quality production.