Surge Protector; Surge Guard ®; Handles The High Power Consumption Demands Of RV; Portable; 50 Amp; 120/ 240 Volt; With Weather Resistant Cover UL listed surge protector designed to handle the high power consumption demands of RVers. Analyzes circuits to identify power supply status. Checks for open ground, open neutral, correct polarity, and NEW reversed lines/ground. Features surge protection indicator and NEW thermal sensor to indicate overheating plug/receptacle. Weather resistant with a NEW rain-proof cover. Ampere Rating: 50 Amp Installation Type: Portable Voltage Regulation: 120/ 240 Volt Automatically Reconnects: Yes Smart Technology Compatible: Not Compatible With Smart Technology Number Of Outlet: 1 Socket With Fault Indicator: Yes With Plug Head Handle: Yes Features & Benefits Designed To Handle The High Power Consumption Demands Of RVers Analyzes Circuits To Identify Power Supply Status Checks For Open Ground, Open Neutral, Correct Polarity, And New Reversed Lines Or Ground Features Surge Protection Indicator And New Thermal Sensor To Indicate Overheating Plug Or Receptacle Weather Resistant With A New Rain-Proof Cover Limited Lifetime Warranty