Combination warning light and buzzer which operate simultaneously to indicate low oil pressure and high or low engine temperature. 12 volts DC. Smooth 5/8" Red lens. Includes miniature bayonet bulb #1815. Aluminum mounting bushing 11/16" in diameter, 17/32" long. 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.