american technology components triple spst on-off switch with bezel, 12-volt, for rv, trailer, camper (black) american technology components (1) rv 3 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: 4-1/4" wide x 2- 7/8" tall x 3/8" deep -minimum hole cut out size 1-1/2" tall x 3-1/2" wide -commonly used for lights, pumps, fans, vents and many other uses in rvs, buses, horse trailer conversions, haulers, travel trailers, boats and more.