Heiman WS3MS Tuya Smart PIR WiFi Motion Sensor

The Heiman WS3MS is a smart PIR motion sensor that connects via WiFi to the Tuya app, allowing real-time motion monitoring and instant alerts on your smartphone. With a detection range of up to 9 meters and a 90° angle, it is ideal for indoor use. The sensor features automatic threshold adjustment and temperature compensation to minimize false alarms, and it is immune to pets up to 11 kg. Installation is simple with the stick-and-play design—no tools required. Powered by a CR123A battery (DC 3V), it operates in temperatures from -10°C to +50°C and humidity up to 95% RH. Compatible with Amazon Alexa and Google Home for voice control.

• Real-time monitoring – receive instant motion alerts on your phone
• Pet immunity – ignores pets up to 11 kg to reduce false alarms
• Automatic temperature compensation – maintains sensitivity across -10°C to +50°C
• Easy installation – stick-and-play, no tools required
• Smart integration – works with Tuya, Alexa, and Google Home

Perfect for home security, the Heiman WS3MS offers reliable motion detection with a sleek, modern design that blends into any interior.