Features: Detachable reticle scale plate, used to measure the actual size of objects very conveniently. It has 8 LED Lights ,which can clearly magnify the details, will not easy to cause visual fatigue even you use for a long for time. This magnifier is a essential tool for reading newspapers, magazines, exploring science, reading maps, appreciating antiques, inspecting collectibles and jewelry, etc. Everything is under your sight. The optical lens of up to 10x zoom, the small details can be truly magnified without distortion. High quality triplet optical glass coating lenses. Specifications: Material: Zinc Alloy+ABS+Optical Glasses Size: 45x50mm/1.8x2 inches LED Light Number: 8 Magnification: 10X Package Includes: 1 x Scale Loupe 4 x AG9 Button Battery note: Please allow 1-3cm error due to manual measurement. pls 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.