Mallory Sonalert Products, Inc.
PIEZO TRANSDUCER, ALARM, 90DBA, 4KHZ; Transducer Function:Alarm; Tones:10 Beeps; Supply Voltage Min:4.5VDC; Supply Voltage Max:5.5VDC; Operating Current Max:400mA; Sound Level SPL:90dBA; Resonant Frequency:4kHz; Product Range:-