HDMI adaptor is a device that can convert HDMI signals into VGA, AV, component video, SDI and other signals. The converted signals have different image quality. The device is widely used in large-screen projection display engineering, electronic teaching, command and control. Centers, multimedia conference rooms and other occasions that require signal conversion provide users with a more flexible solution.we can do the OEM AND ODM,Any need, please contact with Ms Dai, email is sales@huayanelec.com.