... and children, inhouse, school, monitoring shop, bus, ship, and train etc.Alarm in and outYou can connect ... horn (Max 4V/100mA) with the camera with“alarm out” slot. When the security device is alarmed ... active 60 secondsYou can also connect two wired alarm sensors to the video box.In “armed mode ... of the original CCTV monitoring / alarm system, you only need to connect video, audio, alarm signal to the 3G ...