28004638 MSensor G3 SRC 30 4DPI WDA WH Passive infrared motion sensor for sensor heights of 2 to 4m; housing design: for recessing in ceiling. colour: white; integrated light sensor for constant light control; with DALI-2 interface; for use with DIMLITE pro or LITECOM DALI-2. For use in typical office areas or entrance/stairway areas. Protection rating: IP20 Size: 52.3 x 54.7 x 51.5 mm Weight: approx. 58 g