3 LED Light 3X 15X Handheld Magnifier Lens

——————Please Read the full product description —————- Material: Plastic, glass independent lighting design, 2 LEDs for the large lens and 1 LED for the small one, ensure better lighting effect. Ergonomic Design:Comfortable ergonomic handle switch to turn lights on and off, portable light weight. Lens size: diameter 75mmx18mm/2.9”x0.5” Handle length: approx. 11cm/4.3” Color: White+ Black Light Source:3 LED lights, high brightness and durable,can be used in dark environment?not subject to environmental restrictions. Power: 3 x AAA batteries (not included in the package) Magnification: large glass: 3X, small magnifier: 45X Popularization of Physical Basics: About biconvex lens: if an object is placed at a distance > 2X focal length, an image distance will be at the 1X to 2X focal length, then will show an inverted, reduced real image. The 45X lens’ focal length is very short, so what our eyes see is all call inverted, reduced real image. Widely Usage and Great Gift choice: Can be used for PCB board precision testing,diamonds,jewelry,antique identification,skin pore observation outdoor detail observation,reading,etc. A perfect gift for electronic engineers,appraiser,doctors, the elderly,students,etc. Every one need a magnifer: When you reading books/newspaper… When you objecting plants… When you identify stamps,antique,jewelry, paper money,calligraphy and painting… When you read drugs use instructions… When you see design drawings and code… When you checking the circuits in the dark… Package Contents: 1 x Handheld Magnifier Reader Only