
Aqara Spatial Multi-Sensor FP400
USB-powered multi-zone radar presence sensor
Worth its $79.99 US price in an open-plan room where one sensor needs to distinguish a sofa, desk and doorway.
SmartThings · Sensors
Buying a Thread model from this list? Start with a SmartThings hub.
Newest launches first. Support reflects current manufacturer or platform documentation, not a hands-on test.

USB-powered multi-zone radar presence sensor
Worth its $79.99 US price in an open-plan room where one sensor needs to distinguish a sofa, desk and doorway.

European smoke alarm with linked sirens over Thread
MS-1 Interlink is the Sensereo smoke alarm I would choose for several rooms: its $10 premium over the ordinary MS-1 buys automatic linked sirens.

One-piece hinged-door sensor with optional object monitoring
P100 earns its place when fitting a separate magnet would be awkward on a hinged door or window.

Compact battery-powered CO alarm for North American homes
C1-M is a reasonable CO upgrade for an existing Thread home when its small body and connected alerts matter to you.

Compact indoor water-leak sensor with an IP67 enclosure
L1-M is a reasonable compact leak sensor for an existing Home Assistant installation, particularly where its IP67 enclosure matters.

Matter-over-Thread Air Quality Sensor
ALPSTUGA is an appealing room monitor for the price, combining CO₂, particle, temperature and humidity readings with a display that works on its own.

Matter-over-Thread Water Leak Sensor
KLIPPBOK is a useful inexpensive local water alarm for a sink cabinet or appliance area.

Matter-over-Thread Contact Sensor
MYGGBETT is a sensible low-cost choice for a closet light or indoor door check.

Matter-over-Thread Motion Sensor
MYGGSPRAY is an attractive inexpensive trigger for hallway or closet lights, especially with directly paired IKEA lighting.

Matter-over-Thread Temperature and Humidity Sensor
TIMMERFLOTTE is an appealing inexpensive room thermometer with useful smart-home potential.

USB-powered multi-zone mmWave presence sensor
A good buy for a home without Thread that wants one sensor to split an open-plan room into separate Matter zones.

Desktop CO₂, temperature and humidity monitor
AirGuard CO₂ is worth considering for a desk where the carbon dioxide reading should stay visible alongside temperature and humidity.

Desktop particle, temperature and humidity monitor
AirGuard PM2.5/PM10 is a useful $39.90 choice when you want a visible particle reading, Wi-Fi and configurable alerts.

Battery-powered radar/PIR presence and climate sensor
The more compelling Aqara presence sensor for a new room when hiding a power cable is awkward.

European combination alarm with a local CO display
MSC-1 is worth considering when one European alarm needs to detect both smoke and CO and show a reading without a phone.

Indoor temperature/humidity display with three scene buttons
A convincing room display when you will also use its buttons or an existing Aqara thermostat.

Compact coin-cell door and window sensor
A reasonable choice when a compact body and an ordinary CR2032 battery suit the frame.
![Bosch Motion Detector II [+M]](https://assets.matterhome.io/content/devices/bosch-motion-detector-ii-m/product.f83fcfb5b3b4fc76f63e/w640.webp)
Motion Sensor
An appealing €49.95 sensor for a passage that benefits from a small built-in light, or a room where the pet filter matters.

Compact indoor contact sensor with a replaceable coin cell
D1-M earns a look when a long contact sensor would spoil a visible frame or simply not fit.

Compact room sensor with a temperature and humidity display
H1-M is worth considering for a desk or bedside table where you want both readings visible without tapping a screen.

European CO alarm with replaceable AA batteries
HS-720ES-M is a sensible €39.90 CO alarm for a European Thread home that values connected alerts and ordinary AA batteries.

Compact European smoke alarm with a replaceable battery
HS1SA-M is a good-value candidate for a European home that wants a small smoke alarm reporting into an existing Thread system.

Compact North American smoke alarm with Matter over Thread
S1-M is an appealing smoke alarm for an existing North American Thread home where an individual battery alarm is suitable.

Battery radar/PIR presence and light sensor
An appealing inexpensive presence sensor for a small room that already has Thread coverage.

USB-powered radar presence sensor for an Aqara Zigbee hub
Best for an existing Aqara home with a discreet USB power route.

Indoor PIR motion and ambient-light sensor
A useful indoor motion sensor when its adjustable stand and independent light reading suit the room.
![Bosch Door/Window Contact II [+M]](https://assets.matterhome.io/content/devices/bosch-door-window-contact-ii-m/product.45732a3cd2e062f56aca/w640.webp)
Contact Sensor
A good contact sensor when its thin magnet, outdoor-rated housing or built-in button solves a real problem.

AAA-powered indoor contact sensor
A practical open/close trigger when its 10 mm mounting allowance and ordinary AAA batteries suit the frame.

Matter-bridged temperature and humidity monitor
T315 earns its place on a shelf where someone will read the temperature and humidity regularly.

Wireless Contact Sensor
Eve Door & Window is worth considering for its magnet spacers and useful opening history in an Apple home.

Wireless Motion Sensor
Eve Motion makes sense for an Apple home that needs adjustable motion settings, or a cold location beyond IKEA MYGGSPRAY’s stated range.

Matter-bridged door and window contact sensor
T110 is a good inexpensive addition to a Tapo hub, with a thin body and a more forgiving mounting gap than IKEA MYGGBETT.

Indoor PIR motion sensor with light sensing and an aiming bracket
M1-M is a reasonable indoor hallway sensor when its aiming bracket and documented Home Assistant support matter to you.

Indoor door/window contact sensor with two magnet options
Worth considering when the included flat magnet solves an awkward mounting position.

Compact indoor temperature, humidity and pressure sensor
A neat screenless sensor when discreet placement is more valuable than a display.
These sensors reach SmartThings with documented caveats, such as a partial feature set or a bridge-dependent path. Read the review before relying on one in SmartThings.

Compact water-leak sensor with a built-in alarm

Hub-based water-leak sensor kit with dual audible alarms

Water-leak sensor with an extendable sensing cable


Wired radar/PIR presence and light sensor

How to use Matter motion, presence, contact, leak, and climate sensors for convenience without assigning them alarm or safety jobs they cannot carry.

How to run IKEA's KAJPLATS bulbs, BILRESA remotes, GRILLPLATS plugs and new sensors with hub-free pairing, DIRIGERA or the Matter platform you already use, and what each path gives up.

A plain-English guide to when a Matter home needs a Thread border router, which device types depend on one, and when you can safely skip it.