Push Button Activated Alarming Base Stations They are activated by a momentary pushbutton closure or other sources (motion detector, door strike, etc.). When a zone is activated, an LED is illuminated, identifying the area. Each zone has a relay contact for activating a camera, or other annunciations. The AP-CS Series has a built-in speaker and microphone for providing one-way listen or bi-directional audio with a Louroe Remote Call Station. Zone activation can be canceled by automatic or manual reset. All units have Input/Output Jacks for VCR recording and playback. Louroe Remote Call Stations Model DCS-12V, DCSM-12V, TLMC-12V, TLSP-PB-12V, RCS-1-12V, RCS-2-12V and RCS-6-12V are compatible with the AP-CS Series for providing alarm activation and one-way or bi-directional audio.