Feature:1. Sturdy Material: Made of ABS material, the power inlet plug is resistant to erosion, anti aging, and resistant to yellowing, ensuring long lasting use.2. Weather Resistant: The power inlet box features IP44 water resistant design, can effortlessly withstand various outdoor environments, making it ideal for outdoor use.3. Enhanced Safety: The power inlet box plug is designed with a buckle to secure the outer cover, preventing accidental opening during driving, providing extra safety and reliability.4. Easy Installation: The power inlet includes an embedded installation style for easy setup, comes with installation screws, saving you time and effort.5. Versatile Use: Equipped with 3 prong 16A interface, the outdoor power inlet box can be directly connected to the external power system of your RV, applicable for motorhomes, trailers, caravans.Specification:Item Type: Power Inlet BoxSocket Type: 3 Prong 16AInstallation Method: Hole Embedded InstallationInstallation Hole Aperture Size: Approx. 94 x 108mm / 3.70 x 4.25inWater Resistant Level: IP44Application: For an external Mains inlet socket suitable for RV Campervan Motorhome Trailer CaravanInstallation Steps:1. Find the installation location and mark the aperture2. Open a 94 x 108mm square rounded hole3. Place the power box into the hole and connect the circuit4. Secure the power box with screws to complete the installation(Installation requires drilling holes and wiring, we strongly recommend professional mechanics to install to ensure your optimal shopping experience).Package List:1 x Power Inlet Box5 x Mounting Screws1 x Wire Harness Fixing Buckle