Product Description Material: ABS+Acrylic Size: 20*14*5.8cm Objective lens diameter: 10 times 15 times diameter is 20mm; 20 times 25 times diameter is 16mm Object to objective lens use distance range: about 5-30mm Multiples: 10X. 15X. 20X. 25X Colour: Black Quantity: 1 piece Package content: 1 piece * magnifying glass 1.High quality material durable enough for your daily use. 2. Easy to replace batteries light weight. 3. Left / right double eye spot magnifier with LED. 4 different magnifications can be exchanged quickly. 4. Bracket and headband are interchangeable. 5.Great for collections circuits jewelry and watch inspection and etc.