NTI Global Co., Ltd., which was established in South Korea in 1997, and set up its factory in China in 2003, is a professional manufacturer and exporter of Video Door Phone, CCTV camera, LCD module, CRT Module and Camera Module. We have expertise in making Video Door Phone, and offer a wide variety of solutions to home security. All the products have passed the safety certificate such as UL/CE/FCC/RoHS.