An easy-to-install assembly makes this receptacle and plug combo an obvious choice for your boat.The West Marine Single 12V Receptacle & Plug features an easy-to-install surface-mount outlet and a plug that has a built-in LED power status indicator and 10A fuse. Includes a weatherproof cap to protect the contacts from corrosion when not in use.Cutout Size: 1 1/8"dia. x 2 1/2"D