... ,SD Card slot 4.DC9-24V Input Embedded WIN CE RS 485 7 Inch Industrial panel pc with touch screen Applications ... .1 x 3, Mini USB x 1, RS232 x 2, RS 485 x 2, Earphone Jack x 1, SD Card slot ... 75mm rail slot Battery and Wall Installation : Embedded WIN CE RS 485 7 Inch industrial panel pc with touch screen