... USB port,TV port Patent design 2.0MP LCD 3 in 1Digital image Sensor for Microscope has two models ... like a digital camera, they have 3.6 TFT screen, keyboard, 8M flash memory, SD card slot, USB ... . To be connected with ocular tube or C-mount without a reducing lens.3. Two kinds of ... Consumption50mAWhite BalanceAuto and ManualOut InterfaceUSB , AV. LCD 2.0MP LCD 3 in 1Digital image Sensor for Microscope