This is a preowned multifunction chart plotter that seems to be in good overall working condition. The screen was measured diagonally and measures 8 1/2 inches. The unit comes with its sunscreen and power cord. The power cord was attached to a battery and the screen powers up and runs through several functions and it also beeps when powered on and off. The screen is in very good condition.No further testing has been done. Being sold as is for parts or repair with no returns. Please see all pictures for the best description and thanks for looking. Message me with your ZIP Code. Information for the best shipping cost quote.