Absorbs high-voltage spikes up to 7200 Joules to protect your RV's electrical equipment Weatherproof, UV resistant, and flame-retardant ABS material ensures durability in outdoor environments Built-in connection tester with smart LED indicator detects and alerts of low voltage and improper wiring conditions Monitor voltage, amps, and watts in real-time on your smartphone using the ADSAFE app (iOS and Android compatible) Easy to install and use, the GearIT 50 Amp Wi-Fi Surge Protector is a must-have for any RV owner looking to protect their investment.