Outdoor PIR switch. Detects someone approaching and switches on lights. Built-in adjustable photocell and time lag. An outdoor PIR switch which turns on lights at night when somebody approaches. Welcomes friends; deters intruders. Ideal for security and convenience. A compact design for controlling new or existing outdoor lights. Switches lights on when somebody is detected Switches lights off when nobody has been detected for a chosen period. Photocell can be set so that lights do not switch on during the day, if required. Compact polycarbonate moulding. Vandal resistant.