(1) Black RV 1 gang 12 volt light switch -Cover snaps over switch base plate for a clean look and easy installation and service - Includes 1 switch base and cover with on-off switch's (as shown) -Overall Size: 1-7/8" wide x 2- 7/8" tall x 3/8" Deep -Minimum hole cut out size 1-1/2" tall x 1-1/8" wide -Commonly used for lights, pumps, fans, vents and many other uses in RVs, Buses, Horse Trailer Conversions, Haulers, Travel Trailers, Boats and more.