Will cater for different airbus aircrafts, size is 147x230mm. The unit is fully backlighted which other units offered elsewhere are not, unit will require 5VDC power supply not included but available separely. LCD screen is 640x480 and works by undocking your FMC screen to this unit. The connection is VGA and video. Please ask if you have any other questions. Be sure not to miss out on a great deal for the airbus MCDU here at GLB Flight Products. Unit can be dispatched in 14 working days from order.