Features:Distortion-Free. super high resolution.Min-scale: 0.1mm, max-measuring range: 30mm.Potable and lightweight, pocket size, and easy to carry.3 standard for your option: cross- scale/complcated scale/round-sign complcated scale.Great for rock collectors-, coin collectors-, jewelers, hobbyists, and great gift for the kids- to explore the fabulous- tiny world.Specifications:Material: ABS+glassLens diameter: approx 22mm/1-inchStyle: cross- scale/complcated scale/round-sign complcated scale(optional)Note:Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item.Package includes:1xStand Magnifier