Product Model: 70580 Material: ABS plastic housing, acrylic optical lens Magnification: 3.5x (primary lens), 25x (secondary lens) Lens size: 110mm (primary lens), 20mm (secondary lens) Dimensions: 245*128*26mm Packaging dimensions: 250*135*32mm Lighting source: 18 cool white lights, 18 warm yellow lights, 1 secondary mirror light Battery specifications: Three AA batteries (not included) / USB data cable for power Weight: 217g (net weight), 288g (including packaging) Packaging: PP bag, Chinese and English manual, data cable, color box Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.