Ajax 143555.177.BL1 is the Fibra wired universal door and window sensor with an integrated shock and tilt sensor, a mini-magnet, and an external contact input for third-party detectors. Surface-mounted with a black matt finish, it presents one normally-closed break contact over the Fibra bus with no wireless link. Housing dimensions are 102 x 21 x 19.2 mm and it is graded to EN 50131 Class 3, supplied in cartons of 60, manufactured in Ukraine. Typical applications include perimeter and asset protection in commercial and high-security installations using the Ajax Fibra wired architecture.