... cable or wireless keypad,1.3 Megapixel camera, remote 3G mobile phone monitoring2.With PTZ, Pan 0 ... function: video auto recording bofore video call, remote contorl camera to record video into the SD ... can work with 20 alarm accessories and 5 remote control like door sensor,PIR sensor,smoke sensor ... it works:1.Somebody intrude your house and trigger the sensors 2.Triggered sensors will send signals ...