Opal XL External PIR Motion Detector IP55 35m - 

A superior quality, low voltage PIR movement detector. A plug-in electronics module can be internally angled vertically and horizontally to suit individual requirements, and the high impact ABS case and polythene lens cover provides a waterproof and secure housing whilst also hiding the true orientation of the internal module. Suitable for use with light controllers, CCTV, video switching and speech actuating devices.