Portable microscopes are useful and fun magnifiers for children, students, engineers and others who need to magnify and explore microscopic things like circuits, coins, jewelry, skin, and insects The microscope is compatible with OS X 10 5, Window 7 and later, not for With this USB microscope, you can use the software to record microscopic worlds, capture screenshots and record videos even without data services On a windows computer, you can use the measurement function of the software to measure the smallest drill bits After connecting to the device, you can use the software to record -worlds, take screenshots and record videos In addition, you can use the Windows software's measurement function to measure minor bits Built-in 8 LED lights, digital microscope 1 button can take pictures Product name: USB microscopeFocus range: from 1mm to 90mmFrame rate: 30f/s max at 600 brightnessMagnification: 1600XVideo format: AVIPhoto format: JPEG or BMPLight source: 8 LEDs (adjustable control wheel)Computer interface: USB2 0Power: 5V DC from USB portOperating system: Windows 7 8 10/Vista/XP/2000, OS X 10 5 or above, some Android phones, Linux, Chrome (For /For iPad not supported)Product size: 11 5x3cmNOTE: The focus wheel can be used with all devices But the SNAP and ZOOM buttons are only recognized on Windows systems, and the Android APP cannot recognize the SNAP and ZOOM commands Colour: blackMaterial: ABSPackage Contents:1 * USB microscope1 * Bracket1 * Scale board2 * Converter1 * English Instruction ManualOnly the above package content, other products are not included Note: Light and different displays may cause the color of the item in the picture a little different from the real thing The measurement allowed error is +/- 1-3cm