Inexpensive IKEA Sensors and Matter: What You Need to Know Before Buying

IKEA’s inexpensive smart sensors are real, but the product description is inaccurate. The Parasoll and Vallhorn models were released back in 2024 and run on Zigbee, not Matter. The new generation with Matter via Thread arrived in early 2026. It also comes with a caveat you should know before buying: they won’t work without a Thread router.

What Really Happened

The Parasoll (doors and windows) and Vallhorn (motion) sensors have been on the market since the beginning of 2024. They used the Zigbee standard and required a Diriger hub to function fully. They did not support Matter at that time. The manufacturer only promised that it would make Matter available through the hub over time.

In the fall of 2025, the company announced 21 new devices built on Matter via Thread. These include light bulbs, outlets, controllers, and five new sensors. The first devices went on sale in January 2026, with others—particularly light bulbs—following later. The new sensors were given new names, such as Myggspray for indoor and outdoor motion detection. At the same time, the company stopped using Zigbee for its new products.

Why Matter and Thread Matter

Matter is a common standard for devices from different manufacturers. Thread is an energy-efficient networking protocol in which devices connect to form a mesh network. Such a sensor can be added directly to Apple Home, Google Home, Alexa, or SmartThings. It does not require its own app or hub.

The catch: you need Thread Border Router

The new sensors communicate via Thread and can only access the home network through a so-called Thread Border Router. This is a device that connects the Thread network to Wi-Fi or Ethernet. You may already have such a router, for example, in some smart speakers, TVs, or hubs. If not, the money you save on sensors can quickly be reinvested in hardware. The updated Diriger hub supports both Matter and Thread in its newer versions, so it can handle this task.

Price and Availability

Foreign news reports list sensor prices at roughly $8 to $10. I couldn’t find prices for Slovakia, so be sure to check them at the store or on the retailer’s website before buying. Also, check which models are currently in stock here, as the rollout in different countries has been gradual.

What to Watch Out For

Several reviews and discussions mention issues with pairing certain Matter devices via Thread with select platforms. Since this is an early stage of the new standard, it’s a good idea to test a single sensor before making a larger purchase to see if it connects to your system.

How to Get Started with Automation This Winter

• Check to see if you have a Thread Border Router at home. If not, consider getting a hub or speaker that includes one.
• Start with a single motion sensor in the hallway that turns on the lights after sunset.
• A sensor on the door can turn off the lights or trigger an alert when you leave.
• A water leak sensor belongs under the sink, near the washing machine, or in the basement.
• Older Zigbee devices will still work, but new sensors may not be compatible with them.

What to Take Away From This

A smart home really doesn’t have to cost hundreds of euros these days. Before buying, however, you should check which generation of sensors they are and what they require. Matter via Thread is the future, but it requires a little more preparation than a simple plug-and-play setup.