▲ Simple user interface, durable and maintenance free screen with SMT craft.
▲ 3 VGA input (desktop, laptop, digital display stand), 2 VGA output, high resolution 1920×1440/85Hz
▲ 4 audio input, 3 video input, 1 audio output
Projector RS232 control  (or infrared + RS232 control)
▲ Panel control, computer software interface control
▲ Projector time-delay power off protection, one button startup & shutdown, to ensure convenience and safety during use of projector.
▲ screen control
▲ Projector ATA input / output
PTT: Power on the projector and lower the screen.
▲ Work together with XINYUAN card reading electronic control platform, swipe card to start up and close the door to shut down
▲ Work together with XINYUAN network controller, to be upgraded to economical network central controller easily
▲ Network port, USB port
▲ Extendable one button computer startup function
▲ Extendable electronic volume adjustment function
▲ 1 microphone input through low noise and high fidelity chip remix processing and electronic volume adjustment (add module)
▲ extendable individual desktop output
▲ Economical and practical, best for classroom