Some key features of the NHDev LCD Development Board include: a backlight power button to allow the user to see what the display looks like either with or without the backlight, a contrast potentiometer to adjust the contrast, jumpers to easily select the power supply, an SD card that is preloaded with images to see what the display looks like, and finally, easy selection buttons that help the user to navigate through the different display types that the board is able to drive.