<p>[15 Amp Flanged Inlet]: No oxidation for the Nickel coated copper pole on the plug, made of premium copper and Nylon plastic to avoid the damage of UV degradation and chemicals, rugged and durable for indoor and outdoor.</p> <p>[Easy Reliable Installation]: 2" Hole size required, 4 long Stainless Steel screws will fix straight blade flanged inlet on the hole or wall more tightly. No gap on the edge!</p> <p>[ Weatherproof Cover]:the electrical outlet cap and back cover will protect it from the rain storm, snows, dust and even works well in Western Colorado winters, without crack and leak.</p> <p>[Widely Compatible]: As a generator or battery charger plug to energize your electrical devices. Widely used in trailer, camper, RV, car, boat, marine, block heater,home, bumper, recessed outlet box, etc</p> <p>Size: 7.1*6.7*6.7CM</p> <p>Package includes: 1x socket with 18" extension cord</p>