All-in-1 RV Surge Protector 50 Amp - The EyGde upgraded 5000 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. Gives your peace of mind!.30 Amp to 50 Amp RV Adapter with Surge Protector: The EyGde 30A (TT-30P) Male to 50A (14-50R) Female Adapter can convert the power at campsite easily. It is not a single function RV surge protector, it is an RV power converter with surge protection. A portable power adapter fits for all 50A RV Camper. Notes: NOT for EV Charging or Tesla Model Y..RV 30Amp to 50Amp Adapter with LED Circuit Analyzer: The resettable 30 amp to 50 amp rv adapters with surge protector come with circuit analyzer function. The LED indicator will help you to judge if the rv power is fault. Together with the diagnostic chart provides LED indication guide for the following wiring condition: Correct Wiring, Open Ground, Reverse Polarity, Open Hot, Open Neutral, Hot/Ground Reverse, Hot on Neutral With Hot Open..RV 30 to 50 Amp Adapter with Waterproof Cover - Our 30a to 50a camper adapter with clear waterproof cover and surge protector function is designed for outdoor use. The IP67 Waterproof trailer adapter is all weather resistant and can be used in all seasons, which protects the rv circuit from rain, snow, wind, storms or other bad weather. Effectively reduce the risk of short circuit or fire. It is more reliable than others without waterproof cover..Replacement Policy: EyGde provides you with 30-day return and 18-month replacement service. Our RV adapter made of high quality eco-friendly materials, very durable and reliable. You can purchase it with confidence.