Rule- 3-Way Panel Switch, Bilge Pump Rocker Switch, Controls Any Pump Equipped with an Automatic Float Switch, 12V, up to 20 Amps, The "Manual" Position Has A "Fail Safe" Spring Return to "Off" So You Can't Leave Your Pump Running by Accident. With Red Indicator Light and Fuse Holder. Black Plastic Panel measures 2-7/8" Wide by 2-3/8" Tall.