21.5 inch high resolution color LCD wireless calling system receiver

touch screen Android 4.4.2 operating system wireless receiver

touch screen Android 4.4.2 operating system wireless receiver

touch screen Android 4.4.2 operating system wireless receiver

Need to work with screen, such as TV.

Need to work with screen, such as TV.

Need to work with screen, such as TV.

transfer wireless signal to wired signal

transfer wireless signal to wired signal