Protect From Damaging Power Surges When Connected To Campground Power Supply; Portable; 30 Amp/ 120 Volt/ 3600 Watt; 3-Mode Surge Protection With 22500 Amp Maximum Current Spike; With 3-Color LED Fault Indication Lights; Detects Open Ground/ Open Neutral/ Reverse Polarity; With Weather Resistant Case; With Rugged Pull Handle And Locking Bracket; CSA/ CUL Approved