ShenZhen MCD Electronic Co., Ltd. is one of the leading manufacturer of security and safety in China. We are electronic R&D, OEM professional group, possessing the most advanced patent for electronic R&D technique, leading us to be among the best in China.(MINI DVR, underwater photography system, Infrared light board), (walk-through metal detector door, Hand-held metal detectors) (with GPS navigation, Bluetooth and MP3 CND fired rearview mirror. with reversing radar and video display the rearview mirror), and other serial products. As a technology driven international electronic corporation, MCD is focusing on service customer's better, meet customer's request. Save time of client.