Double window sensors

[ogiewon]

How about this for low cost… Get a Z-Wave window sensor that has a pair of external contacts as well. Then buy some inexpensive magnetic window sensors and wire them all in series and attach to the external contacts on the z-wave sensor. If any of the Windows is opened, you’ll get a notification. You’ll just need to conceal the wires from the additional magnetic window sensors. You won’t necessarily know exactly which sash opened, but it is good enough for home security.

Here a discussion about one such device…

[OBSOLETE] Monoprice Z-Wave Plus Door/Window Sensor

I won’t be converting the Monoprice Z-Wave Plus Door/Window Sensor DTH into an Edge Driver so it will stop working once the Groovy platform is retired, but it probably doesn’t need a custom driver. This is a new device handler for the Monoprice Z-Wave Plus Door/Window Sensor, Model: P/N 15270 and it has the following features: [image] [image] Supports the External Sensor It has the setting Enable External Sensor which enables the terminals so you can attach an external sensor. When that’s enabled, the device won’t report closed unless the internal and external sensors are closed. The device reports the same notification for the internal and external events so there’s no way to determine which one trigged the event so you can’t use them independently. Customizable Wakeup Inter…