SKYZONAL Handheld LED Magnifier 20X Optical Glass Magnifying Glass with Light Scale Magnifying Jewelry Loupe with Storage Case Ergonomic designed handle. Applicable range: Industrial purpose, Circuit board and printing, industry, Medical science, Gardening, Coin and stamp, Education, Geography, Home and office. Lens: Optical lens (Double glass lenses) Kindly remind: package not include batteries!!!! SkyzonalTM is a US registered trademark protected by the US Trademark Law.