The MicroMini from Carson is a powerful 20x LED and UV lighted pocket microscope that comes included with a keychain attachment. This field microscope is extremely lightweight, compact and portable. The MicroMini field microscope also contains a built-in, stand alone UV and LED flashlight. There is also an additional built-in LED light to illuminate your subject matter under the microscope lens. The extremely smooth focusing wheel allows for fine adjustment tuning in almost any condition. , , The MicroMini is a great educational microscope that can be used for a variety of hobbies, tasks, learning and exploration. The powerful 20x magnification is great for examining plant/blood cells, printing pixels, fabrics, hair follicles and anything else that nature has to offer. Use the stand alone UV flashlight for detecting counterfeit currency, nectar mapping and so much more! This pocket microscope is ideal for multiple age groups ranging anywhere from a young child explorer, middle/high school student to your everyday professional. , , The MicroMini is small enough to fit inside the palm of your hand (Product Dimensions LxWxH: 1.5 inch x 1.0 inch x 1.6 inch). It is perfect to take with you on the run as it can be attached to a keychain, belt loop or packed in any backpack, purse or pocket. It runs on 3 LR43 button cell batteries (included). At Carson, we strive to make sure our customers are 100% satisfied with the quality of our pocket microscopes. Carson will repair or replace your pocket microscope if it is found to have manufacturing defects in materials or workmanship.