GOCONTROL WNK01-311KIT Premium Z-Wave Home Security Suite Pairs With A Z-wave Hub To Create A Customizable, Expandable Home Security System Monitors Activity & Controls Reactions Through The Hub's App Interface Expandable With Additional Sensors, Door Locks, Light Switches & Dimmers Sensors Sync To Other Products To Trigger Actions Such As A Light Turning On When Motion Is Detected system Includes: GoControl D/W sensors are easy to install; Monitor doors, windows, medicine cabinets and safes; Alerts are sent via in-app push notifications GoControl motion sensor is easy to install and is perfect for detecting movement in hallways or rooms; Alerts sent via in-app push notifications The GoControl Premium kit comes with a 90dB indoor siren; the siren is equipped with a flashing strobe in addition to a piercing audible siren Adding GoControl sensors to a hub is easy; insert the battery to the sensor; open your app follow on screen instructions to add sensor to network The GoControl Premium kit allows for easy expansion to include more sensors, cameras, door locks etc.