Titan 9 Outlet/2 USB-C/1 USB-A 5000 Joules Surge Protector with ColorChanging LED Black 68631 - Best Buy
Amazon.com: Uppallant RV Surge Protector 30 Amp, Absorb Up to 5000 Joules, Circuit Analyzer with LED Indicator Light, Design with Handles and Anti-Theft Ring Surge Guard for RV, Camper, Trailer, Truck :
RV Surge Protector 30 Amps 5000 Joules and Circuit Analyzer with Wall Mount and Easy to Use Handles : r/RVLiving