Features 1、DURABLE MATERIAL: With nickel plated copper rod and black nylon body, UV resistant, abrasion and corrosion resistant, suitable for indoor and outdoor use. 2、EASY TO INSTALL: Needs 2in hole size, terminal block and 4 long screws to secure straight blade flange entry to hole or wall with no gaps around the edges. 3、APPLICABLE SIZE: Flanged power outlet accepts 12-18AWG gauge wire for 12-3 to 18-3 gauge wire clips, with standard size and a wide range of applications. 4、GOOD PROTECTION: With ETL certification, the flange power inlet cover and back cover will protect it from wind and rain without cracking and leaking. 5、WIDE APPLICATION: Can be used as a generator or battery charger plug to power your electronic devices for cars, boats, heaters, home appliances and more. Specification Item Type: Flange Power Inlet Set Material: Nylon, Nickel Plated Brass Maximum Current: 15A Certification: ETL Approved Package List 1 x Conversion Plug 4 x Screws 1 x User Manual