VT-101 Portable Digital Microscope / Magnifier 7x to 108x

I just focused to make image cleaner this back real can zoom in/out by tuning left and right that image will be reduced and enlarged battery supply pc or mb USB supply of dr. supply when it puts the batteries into the microscope and connect to the USB cable and a doctor it can start charging by an external power a snapshot button to take your photo after freezing the image the microscope will ask you if you want to save or not you press the middle button for saving the image in memory when the screen temporarily stops it will show at the right top for the available number of save photos press left button to view to save photos while it is in preview mode to press the top and bottom button can choose the photo in viewing photos the right top side will show the sequence number and saved number press the left button again to leave the mode and return to normal observing when in previewing