General description Tuya ZigBee MmWave Human Presence Sensor is a versatile device designed for detecting human presence, motion, and static states using advanced microwave radar technology. It can accurately identify whether individuals are present or absent in a designated area, even detecting when someone is stationary, such as when they are sleeping. Technical specifications Network: ZigBee Version: A-Ceiling Version In-cell sensor input: 80-240 VAC Wall sensor input: USB 5V Working temperature: -20℃ to +70℃ Sensitivity: 1-9 (default 7) Wall sensor detection distance: 0.3-9m (default 6m) In-cell sensor detection radius: 0-7m (default 5m) Illuminance sensor range: 0-2000 Target detection confirmation time: 0-10s Target disappearance time: 2-1500s Ceiling mount size: Φ61xH39 mm Cell holder opening size: 53-58 mm Material: plastic Color: white Compatibility and accessories Requires Tuya ZigBee Gateway (not included) for operation Installation Can be mounted on walls or other surfaces