• Take your automations to the next level
  • Monitor open and closed doors or windows
  • Trigger alerts if anyone opens a door or window when you’re not there
Available now

One-off charge on your Telstra bill.

Door or Window Sensor with self installation
$ 24

Door or Window Sensor

$ 0

Self installation

Buy now
$19.20 one-off charge on your Telstra bill.
Door or Window Sensor with professional installation
$ 48

Door or Window Sensor

Includes device installation fee

$ 96

Professional installation

Additional fees apply for installing further devices or custom installations. Find out more

There was an issue validating your postcode.

Great news, a Smart Home technician is available in your area. Add additional devices in the next step and have them professionally installed with your order.

We're currently unable to provide Smart Home professional installations in your area. However, you can self-install your Smart Home devices with our over-the-phone specialist support. Or, get a local electrician to help you.

Sorry we have encountered a network error.

Door or window sensor

Take your automations to the next level – monitor open and closed doors or windows, and trigger alerts if anyone opens a door or window when you’re not there. Watch the video to see how it works.


  More videos

Set up and overview

Using the App and Web Portal


Forgot to close the back door? Don’t panic

Matt used to worry about forgetting to close the back door when he left for work. Most days, he’d swing back round to double check. He’s installed a sensor on the back door so that he can check if the door is open or closed when he gets to work. If he’s forgotten, a quick phone call to his neighbour will set everything right.

Bring your smart home to life

The key to having a smart home is creating automations. An automation is an instruction that tells a smart home device what to do and when to do it  It's easy to set up automations in the Telstra Smart Home app or Web Portal. For example,


Download the app

Smart Home app available in App Store
Smart Home app available in Google Play

Professional installation of a device

  • The professional installation of additional smart home devices incurs a call out fee of $96, plus additional charges for each device.
  • The professional installation includes the pairing of devices, basic placement of devices around your home (not mounting a device on the wall or ceiling), demonstration on how to use Telstra Smart Home and the Telstra Smart Home app and setting up automations.
  • Customised installations including cabling runs, cable concealment and wall or ceiling mounting of cameras. The additional charges for a customised installation will be quoted by the technician when on-site.



Simple installation with adhesive tape or screws.


We recommend installation within 20m of the Smart Home Hub.

To organise a Smart Home technical expert to come to your place to get you up and running, please call us on 13 22 00 and select Option 1.


  • Main Sensor: 51 x 26 x 7.4 mm
  • Magnet Unit: 28.3 x 15.5 x 7.4 mm
  • Dimensions: 65 x 80 x 25 mm
  • Device weight: 45g
  • Communications: via ZigBee


The Telstra Smart Home app works on Android and iOS smart phones and tablets.

See the full list of technical requirements and check device compatibility.

Questions about Telstra Smart Home? We can help.

24x7 Chat

Have a question about smart home? Chat with our Live Chat team, they’re available 24/7.


Chat now
Contact us

We're here to listen and answer your questions, so let's chat.

Contact us

Learn how to get the most out of your smart home through CrowdSupport? – our online community.

Join the conversation

Our support pages are a great place to learn more about your devices, watch how-to videos, or troubleshoot any problems you may have.

Go to support