Carson MicroMini 20x LED Lighted Pocket Microscope with Built-in UV and LED Flashlight The MicroMini is an Easy to Use LED Lighted Pocket Microscope with a Keychain Attachment | Magnification: 20x Power | Extremely Lightweight, Portable and Compact Design Field Microscope Contains a Built-In Stand Alone UV and LED Flashlight | There is also an additional Built-In LED light to be used in Conjunction with the Microscope Great Educational Field Microscope for Multiple Hobbies, Tasks, Learning and Exploration | Ideal Microscope for Kids, Students and Professional Usage Contains an Extremely Smooth Focusing Knob | Product Dimensions (LxWxH): 1.5 inch x 1.0 inch x 1.6 inch | Runs on 3 LR43 Button Cell Batteries (Included) Available in Orange, Blue and Green Color Options | Backed by Carson's Limited Lifetime Warranty