Wired Alarm Siren, horn siren, alarm siren, home security kits, burglary scare alarms, 105dB loud siren.<br> <br>Specifications:<br> Input Voltage:5V/12V/24V/220V<br> Rated Current:280mA<br>Sound Pressure :105+/-3dB/m<br>Dimension:122.2x72.8x43mm<br>Weight:145g