Durable Material: Made from premium, high-temperature resistant, wear-resistant, and durable material for a long service life. Good Electrical Conductivity: Features built-in pure copper components for excellent conductivity, making plugging and unplugging easy. Easy Installation: Simple open-hole installation, convenient and time-saving, requiring no complex tools or steps. Release Rod: The power inlet can lock the cable to prevent accidental removal, and the release rod allows for easy cable removal. Perfect Protection: The external protection rating is IP44, and the back protection rating is IP30, ensuring safe use and operation. Suitable for RVs and trailers. Item Type: RV Power Inlet Output Voltage: 220V-250V Internal Item: External Power Socket, Charging Plug Hole Size: Approx. 108 x 94 mm / 4.3 x 3.7 inches Mounting: RV, Waggon, Trailer Installation Method: Hole Insert Installation Usage Instructions: Install and fix, then connect the cable to start working. Package Includes: 1 x RV Power Inlet 1 x Three Core Interface 1 x Accessories 1 x Socket 1 x Accessory Bag (10 pcs)