uxcell Continuous Sound Decibel Piezo Buzzer IC Alarm Speaker DC 12V 120db Product Name : Buzzer;Sound-making Type : Continuous Sound;Rated Voltage : DC 12V; Rated Current : 350mA Harmonic Frequency : 3000+/-500Hz;Sound Decibel : &gt;=120dB Overall Size : 6.4 x 5.5cm/2.6" x 2.2"(L*D);Mounting Hole Diameter : 5.5cm/2.2" Wire Length : 90cm /35.4";Color : Black, Red Weight : 60g;Package Content : 1 x Buzzer