Tuya Wifi/zigbee Human Presence Detector Pir & Radar Motion Sensor. Smart Human Presence Sensor Elevate Your Home or Business Security with Our Advanced Smart Human Presence Sensor. Utilizing Precision Millimeter Wave Radar, This Sensor Detects Even the Tiniest Human Movements, Including Breathing and Heartbeat, Ensuring Top-notch Security and Comfort. Ideal for Various Applications Such As Lighting Automation, Security Monitoring, and Energy Conservation, It Integrates Seamlessly with Your Smart Home System Through the Tuya Platform. The Sensor Offers Two Wireless Technology Options: ZigBee and WiFi. The WiFi Version Operates Independently, While the ZigBee Version Requires the Tuya ZigBee Hub for Connectivity, Providing a Stable and Centralized Control for All Your Smart Devices. With Flexible Installation Modes, Choose Between Wall or Ceiling Mounting to Suit Your Space Needs. Key Features: - Detection Range: 0.3-9 Meters (default 6m) - Sensitivity: Adjustable from 0-9 (default 7) - Wireless Options: ZigBee/WiFi - Installation Modes: Wall (USB 5V) or Ceiling (AC 80-220V) - Operating Environment: -20℃ to +70℃, ≤70mA Working Current - Energy Efficiency: Automatically Turns Lights On/off Based on Movement - App Control: Real-time Alerts and History Viewing Via the App - Advanced Radar: 5.8G/24G Options for Tailored Accuracy and Detection - Light Sensing: 0-2000 Lux Enhance Your Environment with Reliable Human Presence Detection and Smart Automation, Keeping Your Spaces Secure and Energy-efficient..