Guangzhou Bas Science and Technology Limited (BASCCTV), established in 2009, is a high-tech enterprise and manufacturer which specializes in R&D, design, production and sales of the HD IP camera, IP PTZ camera, Wi-Fi camera, HD AHD, HD TVI, HD CVI, HD SDI, Analog camera, Spy camera, NVR system, HD DVR system, DVR system etc.