... 3G Video Alarm with PIR & SD,2000K pixels digit camera ,PIR detector ,IR for night use ,Video phone ,16 zone wireless detectors 3G Video Alarm ... with PIR & SD 1)2000K pixels digit camera 2)PIR detector 3)IR for night ... to add more detectors? You can add new detector, such as wireless door sensors, PIR Sensors, gas and smoke detectors when you push ...