Power Watchdog Smart Surge Protector offers 3,00030A & 6,10050A Joules of advanced surge protection for your coach and includes our patented Bluetooth connectivity so you can monitor live park power conditions on your smartphone using our free mobile Surge / Spike Module should you get hit by a large spike, simply order a new surge module rather than replacing the entire unit. Wirelessly Monitor voltage, amperage, and wattage on your smartphone in real time using our free mobile app!. . Complete LED Park Power Diagnostics with wireless fault alerts ensure you are aware of any hazardous park power conditions. Customizable Alert Thresholds to warn you when conditions fall outside a specified range. Compatible with dogbone adapters. Heavy Duty Construction to withstand everyday use at your campsite Water Resistance: IP65. Go GLOBAL add Wi-Fi/Cellular capabilities using the RV Whisper add-on option and monitor your unit from miles away! Visit www.rvwhisper.com for more details.