Protect your RV from power surges with GearIT 30 Amp Wi-Fi Surge Protector Absorbs high-voltage spikes up to 3600 Joules to avoid damaging equipment Weatherproof, UV Resistant, Flame Retardant, durable ABS material is perfect for the outdoors Built-in Connection Tester with Smart LED indicator detects and alerts of low voltage and improper wiring conditions Monitor voltage, amps, and watts anywhere in real-time on your smartphone using the ADSAFE app (iOS and Android compatible)