Q1: May i Know what is difference for 3in1 1600X 0.3MPX version and 3in1 1600X 200MPX version and USB 1600X 0.3MP?. A1 : 3in11600X 0.3MPX Resolution is 640 480， 3in1 1600X 200MPX is Resolution 1920 1080 USB 1600X 0.3MP just fit usb port.
eBay
Six widefield magnification settings: 40X, 100X, 250X, 400X, 1000X & 2500X. There are six magnification settings: 40X, 100X, 250X, 400X, 1000X & 2500X. Independent preview and capture resolutions allow you to view high-speed video while capturing high-definition images.
eBay
Support USB two output, high work efficiency, high video resolution. Interface: USB TF Card(Not included). 1 x USB Cable. Digital Zoom:Support 7X. Color: As shown in the picture. Playback: Support picture playback.
eBay
Magnification: 1000x. 1x 3 in 1 microscope. Micro USB & Type C & USB interface ,Support variety Android system with OTG Function and vista windows,PC use. USB cable length: 1.5M. Operation system :Android 4.2 or Later (with OTG Function)----------Download app on your cell phone ,then you can use it.
eBay
This modern and portable digital microscope is perfect for a wide range of applications. The microscope features an adjustable stand and is connectable to your phone, making it easy to use and share your findings.
eBay
50X - 1000X Magnification. Easy to zoom right in and out and focus by adjusting the knob to view the incredible details at a magnification range from 50X to 1000X. Magnification Range10X - 1000X 10X - 1000X 50X - 1200X 50X - 1300X 10-1200X 2X-1200X.
eBay
Trinocular viewing head with sliding adjustable interpupillary distance. Viewing head: 45°Inclined 360°swiveling trinocular. The 5MP (2592x1944 pixels) USB digital imaging system captures still microscope images and live video on computer.
eBay
【Effortless Autofocus Microsocpe with TOMLOV】 Unlock the power of the TOMLOV TM4K-AF Max Autofocus Digital Microscope and experience crystal-clear imaging with its revolutionary autofocus technology.
eBay