Industrial Horn Electric Length 2 1/2 in Width 4 3/4 in Height 6 1/8 in Dia 5 in Material Steel Finish Black Painted Decibels 115 dB Voltage 24 DC For Use With 18 Gauge Wire 20 Amp Fuse And Horn Switch For Use On Commercial And Industrial Equipment Including Fork Lifts Hi-Low Lifts And Inside Or Outside Equipment Includes Short 90 Degree Mounting Bracket and Screw