Supports breathing detection, mini movement detection, and movement detection. Can penetrate glass walls to enable more automation scenarios. Compatible with Home Assistant and Zigbee2MQTT. Works with Tuya Zigbee hub/gateway. How it works: Download the "Smart Life" or "Tuya" app. This is a low-power device that first detects humans using passive infrared (PIR) sensing, then activates radar for precise detection. Detects both presence and absence of movement. Battery-powered for easy installation (batteries not included). Battery type: LR03 (AAA) × 2 Operating voltage: DC 3.3 V Wireless protocol: Zigbee 3.0 Stationary detection range: 0–600 cm Moving detection range: 0–1000 cm Illuminance range: 0–3000 lux Color: White Material: Plastic Package includes: 1 × Human Presence Sensor 1 × English User Manual Note: Light reflection and display variations may cause slight color differences between the product image and the actual item. Measurement tolerance: ±1–3 cm. Note: Due to lighting and screen settings, the item’s color may appear slightly different from the images. Slight dimensional variations may occur due to manual measurement.