The photoelectric smoke detector forms part of the Series 300 range of conventional detectors. This range of detectors has been produced using the latest in manufacturing and design techniques, pushing out the boundaries of existing conventional detector technology. Key Features:- Low profile design. Low current draw. Backward compatible with Series 100 detector range of bases. Bi-colour LED detector status indicator. Automatic drift compensation. Programmable sensitivity. Addressable feature. Advanced maintenance features via remote hand-held test unit. Tested and approved to EN54 – 7:2000 (Amendment 1).