HPS-X1 - Tuya Wi-Fi Human Presence Sensor 24G MmWave Radar
The Tuya Human Presence Sensor (24G) is a next-generation smart home device that uses 24GHz millimeter-wave (mmWave) radar technology to detect human presence with extreme precision.
Unlike traditional PIR (Passive Infrared) sensors that only detect movement, this sensor can identify a person even if they are perfectly still—such as when they are sleeping or reading.
Note: 24G indicates radar mode, not the 2.4Ghz Wi-Fi band.