TRANSDUCER PIEZO 1.9KHZ 75DBA 28VDC; Transducer Function:Alarm; Tones:Slow Pulse; Supply Voltage Min:6V; Supply Voltage Max:28V; Operating Current Max:23mA; Sound Level SPL:75dBA; Resonant Frequency:1.9kHz; Product Range:- ;RoHS Compliant: No