Features Simple Operating: This jewelers loupe is simple operating and you can just simply rotate the sturdy ring of the graduated magnifier between the glass scale and the lens magnifier to observe. 8LED Light: Illuminated jewelers loupe magnifier is with 8LED lights and with 28mm(1.1in) field, 10X focusable with 3 different glass line scales. Optical Glass: The illuminated jewelers loupe is made of optical glass material for great durability. Also comes with a synthetic leather case that is suited for storing the loupe. Light in Overall Weight: Illuminated jewelers loupe magnifier is light in overall weight and compact design, portable and practical. Wide Use: Jewelers loupe magnifier is suitable for jewelry inspection, printing, handicrafts, watch repair, coin inspection, stamp collecting, etc. Specification: Item Type: Illuminated Jewelers Loupe Material: Aluminum Alloy and ABS Magnification: 10x Size: Diameter. Approx. 45mm / 1.8in, Height Approx. 63mm / 2.5in Scale Plate: Complex Scale Plate Field of View: Approx. 28mm / 1.1in Lighting Source: 8 LED Lights(White Lighting) Battery: 4 x AG9 Button Batteries, Total Capacity 180mAh (Shipping With Built In Battery) Package List: 1 x Illuminated Loupe Magnifier 1 x Storage Bag Package List 1 x Illuminated Loupe Magnifier 1 x Storage Bag