Hughes Autoformers PWD30-EPO Power Watchdog Smart Bluetooth Surge Protector Plus EPO with Auto Shutoff - 30 Amp Portable Version

2,400 Joules of advanced surge protection Smart Circuit Analyzer will shut down power to RV if a dangerous event occurs and an alert will be sent to your smartphone Plug-n-play – Only 4 second delay power on after plugging in (others brands are up to 2 minutes) Built in 90 second power-on delay after a fault to protect your AC unit Complete LED Park Power Diagnostics with wireless fault alerts – Open ground, open neutral, reverse polarity, open circuit and miss-wired