A useful practical lens for students, collectors, engineers, testers and anyone interested in exploring the microscopic world. This mobile portable professional scientific digital microscope is a fun gift for kids, adults, friends, family. Enjoy a world invisible to the naked eye.Portable pocket microscope: With just a smartphone, you can explore the Micro-type world anytime, anywhere. Widely used in laboratory work, skin/hair/industrial/biological examination, jewelry and seal (collection) evaluation, health diagnosis, art investigation, outdoor adventure, etc.Easy to use, no application required: Adjust the microscope clip on the phone camera to keep the microscope lens aligned with the phone's main camera. Press and hold for three seconds to turn on the LED, and you're ready to shoot. No need to download any app to use, this product includes universal clip for easy installation and removal.200x Magnification Microscope: This ultra-light (only 17.5g) accessory turns your phone into a professional microscope. The microscope needs to cooperate with the magnification function of the mobile phone to achieve 200 times magnification. HD optics simply connect our microscopes to your smartphone's native camera to take stunningly magnified high-resolution photos and videos. Best focal length is 6.5-7.0 mm (0.255-0.275 in)Strong compatibility: The longest distance of the adjustable slide rail is 39.5mm. Compatible with 95% of smartphonesMaterial:plasticcolour:White / BlackPackage Contents:1 x Phone MicroscopeOnly the above package content, other products are not included.Note: Light shooting 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.