Functional ZigBee Smart Human Presence Sensor: Features human presence, human static, mini motion, and movement detection to accurately detect the presence or absence of people in the area, including static states such as sleeping, using mmWave radar technology. Works with Zigbee 3.0 Hub: Requires a Zigbee hub for operation. Compatible with Tuya ZigBee gateway, which acts as a central bridge for connecting Tuya ZigBee smart devices, offering stable signal performance and supporting whole-home automation. (Note: Tuya ZigBee hub is recommended for optimal compatibility.) Advanced Design with Multiple Settings: Supports 8 types of common parameter settings and 5 types of control parameter settings. Offers two installation options: ceiling or wall mounting using double-sided adhesive or expansion screws. Operates on 85-265V AC power input (110-265VAC). Specifications: - Working temperature: -10C to +50C - Sensitivity: 1-9 (default 7) - Illuminance sensor range: 0-500 Lux (measures ambient light levels) - Departure delay: 0.5 seconds to 25 minutes (recommended setting no less than 15 seconds to avoid missed detection) - Working humidity: 5% to 90% RH (non-condensing) - Protection level: IP20 - Relay load: Resistive load 3000W, LED load 300W - Color: As shown - Material: Plastic - Detection frequency: 5.8 GHz Package Contents: 1 x Zigbee mmWave Human Presence Detector Note: Light reflection and display differences may cause slight variations in color between the image and the actual product. Measurement error allowance: 1-3 cm.