1. [Functional Smart Human Presence Sensor] Features human presence, static detection, micro-motion detection, and movement detection to accurately detect the presence or absence of individuals in the area, including stationary states such as sleeping, using mmWave radar technology. 2. [Light Sensing for Smart Scene Automation] Built-in illuminance monitoring enables smart scene automation with other compatible devices via the Tuya Smart app, allowing automatic control of lighting based on ambient brightness. The sensor can be linked with other smart home devices for customized automation. 3. [Flexible Installation Options] Can be wall-mounted or placed as needed. Compact and lightweight design, powered via USB 5V. 4. [Advanced Design with Adjustable Settings] Adjustable sensitivity levels (1–6), detection range from 0.00 m to 9.5 m, hold time from 0 to 1500 seconds, and detection delay from 0 to 10 seconds to minimize false triggers and support flexible application needs. 5. [ZigBee Compatibility] Requires a Tuya ZigBee gateway (sold separately) to function as part of a ZigBee smart home network, providing stable connectivity for seamless whole-home automation. Network: ZigBee Version: A-Ceiling Version / B-Side Mount Version Ceiling mount sensor input: 80-240VAC Wall mount sensor input: USB 5V Operating temperature: -20°C to +70°C Sensitivity: 1–9 (default 7) Wall mount sensor detection range: 0.3–9 m (default 6 m) Ceiling mount sensor detection radius: 0–7 m (default 5 m) Illuminance sensor range: 0–2000 LUX Target detection confirmation time: 0–10 s Target disappearance delay time: 2–1500 s Ceiling mount dimensions: 61 x H39 mm Ceiling mount cutout size: 53–58 mm [Functions and Features] Illuminance detection Multiple detection modes