Industrial Disc Horn, Electric, Width 2 1/4 In., Dia. 3 3/4 In., Material Steel, Finish Black Painted, Decibels 115 dB, Voltage 12 DC, For Use On Commercial And Industrial Equipment Including Fork Lifts, Hi-Lo Lifts, And Inside or Outside Equipment, Includes 2 Screw-On Style Terminals and Mounting Bracket