QUICK OVERVIEW The Vision Z-Wave Range Extender is a smart, discrete
Z-Wave device designed to amplify the signals of any Z-Wave devices in
your Z-Wave network which helps to eliminate "RF dead spots".
* Amplifies ...
Invisible intelligence comes to the door sensor. Installs seamlessly
into a door and its frame and is only 19mm in size. Provides Z-Wave
network with an open or closed status of the door it's attached to.