AqaraUnder $25
Aqara Door and Window Sensor
The cheap, tiny building block of a home that notices things.
We may earn a commission if you buy through these links. Prices and stock change, so check the seller's page. Band last checked November 2026.
Why it made the cut
- Battery is rated for around two years.
- Small enough to fit nearly any door or window.
- Works with supported third-party platforms through an Aqara hub.
Skip it if
You do not have an Aqara Zigbee hub. It will not work on its own.
The numbers
| Connection | Zigbee, hub required |
|---|---|
| Battery life | About 2 years |
As listed by the seller.
