TRANSDUCER PIEZO 2.9KHZ 90DB 28VDC; Transducer Function:Alarm; Tones:Fast Pulse; Supply Voltage Min:6VDC; Supply Voltage Max:28VDC; Operating Current Max:16mA; Sound Level SPL:90dBA; Resonant Frequency:2.9kHz; Product Range:- ;RoHS Compliant: No