Qolsys QZ2300-840 IQ Wireless Plug In Siren Strobe

The Qolsys QZ2300-840 IQ Wireless Plug In Siren Strobe 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.