TRANSDUCER PIEZO 2.9KHZ 105DBA 16VDC; Transducer Function:Alarm; Tones:Fast Speed Up; Supply Voltage Min:6V; Supply Voltage Max:16V; Operating Current Max:40mA; Sound Level SPL:105dB; Resonant Frequency:2.9kHz; Product Range:- ;RoHS Compliant: Yes