Shenzhen OPIZ Electronics CO., LTD. has been a superior and leading supplier of video surveillance and some other security equipments for the global market since 1998. We specialize in video door phone,CCVT,Access control,Alarm. Opiz keep supplying the top-class products, besides the one-stop- shop- service.  We can ensure to offer clients high quality products. We take extraordinary steps to achieve customer satisfaction.