24G Millimeter Wave Radar - It can not only be used to detect movingbut also non-moving people. Detection Angle - 120 detection angle and 5 metrer detectiondistance 3meter height distance can realize real-timemonitoring during the day and night. Smart linkage - When a person enters the door, sensors trigger the openingof lights and curtains. Multi-scenario Use/Easy to install - It can be used in the bedroom, living room for securitydetection, at the same time, very easy to install. Voice control - Work with for Alexa Home. Alarm Push Remind - When someone enters the living room at night AVATTO APp pushes an alert. Mini design, slim body. History Record - Users can view the history of sensor sensinganytime, anywhere. Different sensitivity - Users can set "low","medium" and "high" accordingto their own needs. Due to different product batches, the appearance , which does not affect the use. Colour:White Material:Plastic Package Contents: 1 * Human presence sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.