✔【Upgraded 9800J Surge Protector 30Amp】This GEMEK surge protector provides a protection level of 9800 Joules, which can carry more electronic equipment and high-power appliances, providing protection and grounding safety for electrical systems. ✔【Circuit Analyzer】The 30A RV Circuit Analyzer Diagnostic Chart indicates the following faults: Correct Wiring, Open Ground, Open Neutral, Reverse Polarity, hot/Ground Reversed, and No Power. ✔【Safety Protection Certification】Safety certified and User friendly surge protector, extremely safe and reliable. This can prevent damage to your RV electrical equipment. ✔【IP68 Safety Protection】The RV surge protector 30 Amp is equipped with flame-retardant materials and IP68 waterproof design. It can protect circuits from extreme weather such as wind, rain, sandstorms, etc. ✔【Simple Plug and Play Solution】This GEMEK 30A RV surge protector features a user-friendly design. Simple and easy to use, plug and play safely and easily. Apply to RV adapter plug for camper, trailer, truck, motorboat, yacht, mobilhome etc. ✔【Warranty Service】If you encounter any problems, feel free to reach out to us, we provide after-sales warranty for each customer. Please shop with confidence. If you encounter any problems, feel free to reach out to us. GEMEK RV Surge Protector 30 Amp Waterproof, 9800 Joules Upgraded RV Power Surge Protector with Safety Certification,RV Adapter Plug for Camper,Circuit Analyzer for Travel Trailers,Mobilhome (Orange)