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Motion & TH Sensor


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Motion & TH Sensor


Introducing the Milesight WS203 Motion & TH Sensor, a cutting-edge solution designed to enhance comfort while promoting energy efficiency in your environment. With its sensitive motion detection capabilities, this sensor ensures heightened security and automation, enabling you to effortlessly monitor activity within your space. Adjusting detection angles according to your needs provides customisable surveillance, giving you peace of mind knowing your premises are safeguarded.

Not stopping at motion detection, the WS203 sensor boasts high-precision temperature and humidity detection features. Experience unparallelled data accuracy, crucial for maintaining optimal environmental conditions. Whether it's monitoring temperature-sensitive areas or ensuring ideal humidity levels, this sensor offers reliable insights to optimise comfort and productivity.

Milesight's commitment to excellence extends to the WS203's performance. With its high data integrity, storage, and retransmission capabilities, you can trust in the reliability of your collected data. Leveraging Milesight's advanced D2D communication technology and ultra-low power consumption, this sensor delivers seamless connectivity and extended operational longevity. Furthermore, its user-friendly design facilitates effortless deployment and installation, ensuring hassle-free integration into your IoT ecosystem. Revolutionise your space with the Milesight WS203 Motion & TH Sensor, where comfort meets efficiency.


Enhanced Comfort, Efficient Energy Management
Introducing the WS203 wireless sensor, your key to optimising indoor comfort while conserving energy. This innovative device detects motion, temperature, and humidity, seamlessly integrating with your HVAC system to maintain an ideal indoor environment.

Advanced Motion, Temperature, and Humidity Sensing
The WS203 is a cutting-edge wireless environmental monitoring sensor designed to detect human or animal motion, as well as monitor temperature and humidity levels. By pairing with your HVAC system, it actively ensures that your indoor space remains at a predefined comfort level, resulting in significant energy savings and enhanced comfort for occupants.

Precise Motion Detection
With its advanced passive infrared (PIR) technology, the WS203 can sensitively detect human or animal motion within a wide coverage area of up to 120° horizontally and 100° vertically, extending up to 6 metres.

Customisable Detection Angles
Tailor the detection range of the PIR sensor in the WS203 to suit different environments by using various standard PIR covers, ensuring optimal performance in any setting.

Highly Accurate Temperature and Humidity Monitoring
Equipped with a high-precision TH sensor, the WS203 delivers real-time monitoring of temperature and humidity with unparallelled accuracy, enabling you to stay informed about changes in indoor environmental conditions.

ws203 high precision temperature
· Temperature
Range: -20°C ~ +60°C
Accuracy: ±0.2°C
Resolution: 0.1°C

ws203 high precision humidity
· Humidity
Range: 0% ~ 100% RH
Accuracy: ±2% RH
Resolution: 0.5% RH

Reliable Data Integrity and Transmission
The WS203 can store up to 1000 sets of historical data records with timestamps, ensuring data integrity even in the event of a connection failure. Once reconnected, the stored data is seamlessly retransmitted to the gateway, preventing any loss of valuable information.

Milesight D2D Communication Protocol
Benefit from the Milesight D2D communication protocol, which enables direct communication among different Milesight LoRaWAN® node devices without the need for a LoRaWAN® gateway. This feature ensures lower latency, secure transmission, and reduced investment costs.

Ultra-Low Power Consumption
Leveraging the low power consumption of LoRaWAN®, the WS203 boasts a remarkable battery life of up to 5 years with its built-in 4000 mAh ER18505 Li-SOCL2 battery. It can transmit data over long distances, with a range of up to 2 km in urban areas and 15 km in rural areas.

Cloud Data Management and NFC Configuration
Take advantage of cloud-based data management, featuring a visualisation dashboard for easy access to key metrics, automatic triggers for scene-based automation, regular reports, and real-time alerts via the Android and iOS app. Additionally, configure devices wirelessly using NFC technology for added convenience.

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