Tuya WiFi Intelligent Human Presence Detector Ceiling Human Body Presence Detection Device High Accuracy Human Presence Detector This product can accurately detect whether a person is present in your home. When you are away, you can monitor your home remotely via your smartphone to help protect your family and property. Features: Detects human presence, static presence, micro-motion, and movement to determine if people are present in the area, including accurately detecting stationary states such as sleeping. Built-in illuminance monitoring enables intelligent scene automation with other smart devices, such as automatically turning lights on or off based on ambient brightness. You can also link the sensor with other smart home devices for enhanced home automation. Adjustable sensitivity settings from 1 to 9, with a detection range from 0.00m to 9.5m to meet various needs. Configurable hold time from 0 to 1500 seconds and detection delay from 0 to 10 seconds to minimize false alarms and avoid unnecessary triggers. Monitor home safety anytime and anywhere with real-time target distance display in the app. Designed for ceiling installation with a wide effective detection range. Specifications: Type: WiFi, Zigbee (optional) Color: White Diameter: 93mm / 3.7in Installation size: 65 x 65mm / 2.6 x 2.6in Battery: 1 x CR2450, 3V, 520mAh Package size: 103 x 100 x 80mm / 4.1 x 3.9 x 3.1in Package weight: 186g / 6.6oz Package Contents: 1 x Human Presence Detector 1 x User Manual