... (occupancy detector, PIR, auto sensor) Ceiling Mounted Infrared Motion Sensor ((occupancy detector, PIR, auto sensor)1. Convenient Installation2. Identify ... view)4. Adjustable Time Delay:10±5sec~30±4min5. Detection motion speed:0.6~1.5m/s6. CE, GS Approval Model ... -5mDimension: Diameter:90mm High:28mmWorking Humidity<93%RH Ceiling Mounted Infrared Motion Sensor