RV 16A External Waterproof Power Outlet Recessed socket and connection socket 220V-240V 16A. Made from high-quality plastic; with lid, leak-proof; This item is for an external AC power socket suitable for the motorhome trailer caravan. Specification: Material: plastic and metal Plug Size: About 144*115*100mm Socket size: approx. 145 x 50 mm. Cutting Size: About 83*109mm Note: Please allow 0.5-1 inch difference due to manual measurement. (1 inch = 2.54 cm) Please check the size measurement and picture carefully before making the payment. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you.