🔰Upgrade the 9800 Joule 30amp Surge Protector: It is a necessary accessory for RV charging, which can identify wiring errors, power failures, and unstable current, providing safe and efficient protection for your RV travel. 🔰30 AMP RV Circuit Analyzer: ZEALBON 30 Amp RV surge protector come with easy to read circuit analyzer function. Equipped with LED indicator lights, it can display 7 modes to help you determine whether there is a fault with the rv power supply. LED light display guide: correct wiring, open circuit grounding, polarity reversal, high temperature open circuit, neutral point open circuit, high temperature/grounding reversal, neutral point with high temperature open circuit energized. 🔰Safe and efficient certification: Our 30 amp surge protector with thick wire, a Level 3 surge protection circuit, and a V-1 flame-retardant ABS shell. IP67 waterproof cover ensures safe use in rainy, sandstorm, and high-temperature environments, reducing the risk of short circuits and fires. Specification - Plug type: 30 Amp male (NEMA TT-30P)/30 Amp female (NEMA TTP-30R); Surge protection 9800J; Rated value: 125V/30A/3750W. 🔰Portable and easy to use: Our RV surge protector handle is made of high-quality rubber material, are designed with ergonomic,can safely and easily to plug and unplug it. 🔰Efficient after-sales service: ZEALBON aims to provide customers with high-quality products and services. We have 24-hour online customer service and provide a 30-day return and 24-month replacement service. you can purchase with confidence. ZEALBON RV Surge Protector 30 Amp Waterproof,9800 Joules Upgraded RV Circuit Analyzer with Waterproof Cover, RV Power Voltage Protection Guard Camper Accessories for Travel Trailers(Orange)