| Brand | Unbranded |
| Manufacturer | Aqara |
| Model Number | AQ-SNSR-CONTACT-T1 |
The Aqara Door and Window Sensor T1 (DW-S03D) delivers precise entry monitoring through a compact contact design that integrates reliably into established smart home setups. Utilizing the energy-efficient Zigbee 3.0 standard, it provides instant open-close reporting and automates security routines without adding to Wi-Fi network congestion.
Wireless Protocol: Operates on Zigbee 3.0 for stable, low-latency communication with connected hubs and control stations. Real-Time Status Tracking: Immediately identifies and logs the exact open or closed position of monitored entrances. OTA Update Capability: Accepts over-the-air firmware upgrades to maintain system stability and add new integration pathways.
Cross-Platform Compatibility: Pairs natively with Apple HomeKit, Amazon Alexa, Google Home, and Samsung SmartThings environments. Slim Form Factor: Measures 41 x 22 x 11 mm, enabling unobtrusive mounting on standard interior and exterior frames. This sensor removes ambiguity from home protection protocols by delivering immediate smartphone notifications when unexpected entry occurs or by activating linked devices like locks and lights.
The fixed 22 mm maximum detection gap ensures consistent signal transmission between the main casing and adhesive magnet, even when door or window frames experience minor seasonal warping. Powered by a standard replaceable CR1632 battery, the device maintains reliable operation across seasons while preserving your home routers bandwidth through independent Zigbee mesh routing.
Model DW-S03D Wireless Protocol Zigbee 3.0 Battery Type CR1632 (Replaceable) Maximum Detection Distance 22 mm Dimensions 41 x 22 x 11 mm
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