Milesight CoWork Series WS203 LoRaWAN Temperature, Humidity & Motion Sensor (Grey White)

Facility managers overseeing office environments can rely on the Milesight CoWork Series WS203 to keep tabs on indoor climate and occupancy. This LoRaWAN sensor combines temperature, humidity, and PIR motion detection in a single wall-mountable unit, making it a practical choice for smart building automation.

Key specifications

• Connectivity: LoRaWAN
• Temperature range: -20°C to +60°C (±0.3°C accuracy)
• Humidity range: 0% to 100% RH (±3% RH accuracy)
• PIR motion sensor: 90° detection angle, up to 8 m range
• Power: 2 × AA alkaline batteries, up to 3 years life
• Configuration: NFC interface
• Mounting: Wall mount (adhesive or screws)
• Ingress protection: IP30
• Material: ABS plastic
• Colour: Grey white
• Certifications: CE, FCC, RoHS

Why choose it

The WS203 streamlines environmental monitoring by merging three sensors into one compact device. Its long battery life and wireless LoRaWAN connectivity reduce maintenance visits, while NFC allows quick, contactless setup. The IP30-rated ABS housing is built for indoor office use, and the neutral grey-white finish blends with most interiors.

Ideal use cases

• Smart office climate control and occupancy-based HVAC automation
• Meeting room usage tracking via motion detection
• Indoor air quality monitoring in coworking spaces
• Building management system integration for energy savings

Good to know

The sensor operates in temperatures from -20°C to +60°C and up to 90% non-condensing humidity, making it suitable for a range of indoor environments. Battery life depends on reporting intervals, with up to three years achievable under typical settings. Installation is flexible with adhesive tape or screws, and the device is certified for CE, FCC, and RoHS compliance.