Home Tuya Smart Human Presence Sensor – Energy Saving, Environmental Protection, Micro-Motion Detection, Security Alarm Product Name: Human Presence Sensor Wireless Connection: Zigbee Working Voltage: DC 12V Working Current: <70mA Working Temperature: -20°C to 70°C Sensitivity: 0–9 (default: 7) Detection Distance: 0.3–9m (default: 6m) Delay Time: - Target Detection Confirmation Time: 0–10 seconds - Target Disappearance Delay Time: 0.5 seconds to 25 minutes (recommended minimum: 15 seconds) Light Sensitivity: 0–2000 Lux Installation Method: Ceiling Mount Product Dimensions: 92 mm × 30 mm Communication Protocol: Zigbee (requires compatible gateway) Features: Real-time human presence detection, micro-motion detection (e.g., breathing, heartbeat), motion detection, ambient light sensing Smart Integration: Compatible with Tuya smart switches, lights, curtains, and other Zigbee-enabled devices for automated scenes supporting energy efficiency and security Advantage Over Traditional PIR Sensors: Unlike standard PIR sensors that detect only motion, this sensor uses microwave technology to detect presence, stillness, micro-motion, and motion—reducing false alarms and improving reliability Package Includes: - Human Presence Sensor × 1 - User Manual × 1 Installation Guidelines: - Select an appropriate ceiling location based on the desired detection area to ensure full coverage. - Device front panel diameter: 93 mm; rear housing: 65 mm × 70 mm; cutout required: 80 mm diameter circular hole in ceiling. - Secure power and signal wires gently to avoid damage when routing through ceiling openings.