Overview: Applications may include in the following spheres: Industrial Usage: circuit wafer & printing industry. Medical uages. For gardening. For coin-minting & stamps. For educational usage. For geographical usage. For home & office applications & so on. Please keep away from direct sunlight, or the magnifier lens may cause fire. Applications Include: Industrial purposes Circuit board & printing Medicine Gardening Money & stamp Education Geography Family & office Specification: Weight Approx:35.8g Size Approx:8.8 x 5.7 x 1