1. Wide Range of Application: Bysameyee USB microscope is a useful & funny tool for , students, engineers, inventors, collectors to magnify micro things like coins, skin, PCB, hairs, etc. 2. Capture, Record & Measure: Connect this handheld microscope to devices, you can capture screenshot image and even record a video with installed software. Please note that the measurement software only works for WINDOWS user. 3. Strong Compatibility: Mac OS X 10.5, Windows XP/7/8/10/11, Linux kernels 2.6.26 and above, Android phones with OTG function. (How to check OTG? Download the app 'USB OTG Checker'). This microscope doesn't work with iPhone/iPad. 4. Light Adjustable: Built-in 8 LED lights, you can control the light brightness easily with the LED dimming wire control knob. Shine through a diffuser, the LED light is soft and not dazzling across the object being viewed.