IKEA MYGGBETT Door/Window Sensor

A closet light is the clearest reason to buy

MYGGBETT can make opening a closet door turn on a compatible IKEA light without a hub. At the listed $11.99, that is a useful convenience with a relatively small hardware purchase. It reacts to the door position, so you do not need to wave at a motion sensor to get the light on.

For an existing Thread home, open/closed state can also be useful for checking an indoor door or window. The important distinction is the job: this sensor tells you whether its two halves are together. It does not tell you whether someone is still in the room.

The frame can decide the purchase

The biggest weakness is the required gap of less than 5 mm between the halves when closed. That is easy to overlook in a product photo and can be awkward on a recessed frame. IKEA allows several orientations, including perpendicular mounting, which gives some flexibility, but does not remove the gap requirement.

Eve Door & Window is worth comparing when the frame needs magnet spacers, which Eve supplies. MYGGBETT instead has the appeal of one standard AAA battery, sold separately, rather than Eve's half-AA format. The better purchase is the one that mounts properly and remains accessible for battery changes.

Buy for ordinary indoor doors

For phone access, MYGGBETT needs suitable Matter and Thread hardware. That cost is easier to justify across several doors in an existing smart home than for a single new sensor. For a closet with IKEA lighting, direct control may already resolve the whole job.

The indoor-only design and 0–40°C range rule it out for an exposed mailbox or freezing gate. Within its physical limits, MYGGBETT is a straightforward budget option. Check the closed gap before ordering a batch; a low price does not rescue a poor fit.