While other detectors require a glass pane to be smashed for the house alarm, with the NT04 the button can simply be pressed in emergency situations - without glass splinters and without having to replace the pane later. The detector in blue housing is clearly marked with the inscription "House alarm". Triggering is indicated by a clearly visible symbol surface.Simple and flexible mountingThe push-button detector can be mounted flexibly: on the plaster or on a standard flush-mounted box. The scope of delivery already includes a box for surface mounting and an adapter plate for box mounting. In addition, the detector comes with a key for easy resetting after an alarm has been triggered. The NT04 has a universal connection by changeover contact.