Power Failure Alarm Siren 118dB LED Alert, 110V~220V Plug-in w/ Battery Backup
QWORK Power Failure Alarm, 118 db Loud Siren with LED Light, 110V to 220V, Off/On Alert. Easy to Use: No wiring needs, just plug in the power outlet, turn on the switch, the alarm can start to work. LED Light: Led flashing allow you to see the alert even from far away.