General description Functional ZigBee Smart Human Presence Sensor designed to detect human presence, static states, and motion using advanced mmWave Radar Detection technology. This sensor can accurately identify whether individuals are present or absent in a designated area, even detecting static states such as sleeping personnel. Technical specifications Power Supply: 85-265V AC (input: 110-265VAC) Working Temperature: -10℃ to +50℃ Sensitivity: 1-9 (default 7) Illuminance Sensor: 0-500 Lux Departure Delay: 0.5s to 25 min (recommended minimum setting: 15s) Working Humidity: 5-90% RH (No Condensation) Protection Level: IP20 Relay Load: Resistive load ≤ 3000W, LED load ≤ 300W Dimensions Measurement Error: +/- 1-3cm Compatibility and accessories Requires a ZigBee 3.0 Hub for operation (Tuya ZigBee gateway recommended for optimal compatibility) Installation Can be installed on the ceiling or wall Installation methods: double-sided adhesive or expansion screws Usage Detects human