Aqara Door & Window Sensor T1 DW-S03D smart home sensor

The Aqara Door and Window Sensor T1 (DW-S03D) is a compact smart home sensor that detects when doors or windows are opened or closed, letting you monitor entry points and trigger automations across your smart home setup.

Reliable Entry Monitoring for a Smarter Home

• Instant open/close detection — alerts you the moment a door or window changes state
• Smart home integration — works within compatible ecosystems to trigger lights, alarms or other connected devices
• Clean white finish — discreet design blends into door and window frames without standing out
• Wireless and compact — easy to place on virtually any door or window without complicated installation

The Aqara DW-S03D suits homeowners and renters who want straightforward entry-point monitoring, whether for security awareness, automation routines, or keeping tabs on rooms and storage areas throughout the home.