RC Buzzer/LED Pilot light “Dual Alarm” Combination warning light and buzzer which operate simultaneously to indicate low oil pressure and high or low engine temperature. Universal application will fit any electrical switch. 12 volts DC. Red lens. 11/16″ diameter x 17/32″ long Mounting stem. Heavy steel case, plated to resist corrosion. Body size is 1-7/8″ long, 1″ wide and 1-11/32″ high. Fits panels up through 13/64″ thick. Wiring diagrams included.