Human presence detector integrates three types of sensors，24GHz millimeter wave radar,PIR sensor and Light Sensor, The detector uses double identification technology (PIR + millimeter wave radar) to avoid false alarms. Millimeter wave radar technology allows precise detection of movement in space, including the presence of people at rest. The integrated light sensor provides more flexibility and fun when creating lighting automation. By using millimeter wave radar technology, this type of capture does not require image information like a security camera. No information is collected about your indoor space, no movement paths are created, which maximally protects the privacy of users.