Brand-New RV Surge Protector 30 Amp/RV Circuit Analyzer 13,000J With LED Indicator Light. SAME-DAY FREE USPS GROUND ADVANTAGE SHIPPING 13,000J SURGE PROTECTION: With a robust 13,000J rating, our 30 Amp surge protector for RV offers highly effective defense against power surges. In the event of spikes that exceed its absorption capacity, the RV surge protector auto shuts off, providing reliable protection for your RV while also preventing damage to itself AUTO SHUTOFF AND RESET: Our RV 30 Amp surge protector offers smart protection by auto shutting off power, similar to a circuit breaker, when it detects faulty power. Once the circuit stabilizes to normal, it auto resets power. Take advantage of this feature to conveniently test appliances for possible overloading FULL CIRCUIT ANALYZER: Our camper surge protector 30 Amp not only detects common wiring faults like open ground or reverse polarity, but also includes voltage and temperature monitoring. This comprehensive protection prevents low or high voltage damage to your appliances and safeguards against circuit burnout LED DISPLAY: Equipped with an LED display, our RV power surge protector 30 Amp provides real-time voltage readings, helping you ensure power stability. It offers clear error notifications in a convenient code format, allowing for quick identification of circuit issues compared to traditional LED indicator lights WATERPROOF OVERSIZED COVER: Featuring an extra-large cover, our RV surge protector 30 Amp waterproof provides reliable protection for the circuit against rain, wind, and sandstorms. Its spacious internal dimensions of 2.7" width x 2.9" height accommodate most sizes of RV power plugs Buy with absolute confidence from a US Small Business - check our 100% Positive Feedback! Same-Day Handling with Fast USPS Shipping for Domestic Shipping Asendia for International Service (within 1 business day.) Thanks for looking! *Orders placed Mon-Thu before cut-off time are processed and shipped within 24hrs (same-day) all other orders (placed on Fridays, Weekends and Holidays) are shipped on the next business day.