With many years experience in the production of CCD cameras and alarm systems, Vigreat Security System  CO.,LTD . Our main products include CCD cameras,  All-In-One cameras,   day / night cameras,   dome cameras,   CCD board cameras.Alarm systems  including different type of PIR Detectors, Indoor and Outdoor Digital PIR+MW Detectors, Intruder Alarm Control Panels, Photoelectric Beam Detectors, Glass Break Detectors, Vibration Detectors, Gas/Smoke/Heat Detectors and so on.