TRANSDUCER PIEZO 1.9KHZ 90DBA 48VDC; Transducer Function:Alarm; Tones:Siren; Supply Voltage Min:10V; Supply Voltage Max:48V; Operating Current Max:35mA; Sound Level SPL:90dBA; Resonant Frequency:2.9kHz; Product Range:- ;RoHS Compliant: No