PIR detector for use in alarm systems. Lens covers area up 45ft X 45ft (90deg. Spread). Internal terminal strip for 12V/15mA DC power (9-16VDC), NC alarm contacts & tamper switch. Selectable 1-2 pulse count. Internal red "walk" LED can be disabled. Indoor use. This motion detector can be connected to and powered by a CTB16D or a CTB08D controller. Motion will then activate the controller when in Standalone mode. Connection Instructions NOTE: Connectors and wire are not included.