Qolsys IQ Wireless Siren w/ Rechargeable Battery Backup

IQ Siren – 105 DB Wireless Z-Wave siren, plugs into standard outlet, rechargeable backup battery

The IQ Siren is the perfect way to make your alarm even LOUDER when the alarm goes off.  Completely wireless it plus into any standard outlet and even includes 3 LED lights that strobe during alarm events. Acting as a Z-Wave repeater, it strengthens and improves your smarthome network improving the performance of all your devices.