NB3Q-TW01B-V1 NB Series 3.5 Inch HMI Touch Screen NB-V1 HMI with a 3.5 Inch display and a Black Bezel and Ethernet + USB Host Screen diagonal 3.5 in Number of pixels, horizontal 320 Number of pixels, vertical 240 Type of display TFT Frame color Black Number of Ethernet ports 1 Number of USB ports 2 Number of RS-232 ports 1 Number of RS-422 ports 1 Number of RS-485 ports 1 Number of colors of the display 65536 Number of grey-scales/blue-scales of display 64 Degree of