General description High-quality optical lens provides clear images without discomfort. Ergonomic design ensures a comfortable grip. Constructed with an ABS material frame for a smooth and comfortable feel. Powered by 3 AAA batteries for long-lasting energy efficiency. Technical specifications Magnification: 100 times Main lens diameter: 100 mm Secondary lens diameter: 25 mm Light source: 3 LED lamp beads Net weight: 170 g Usage Ideal for reading newspapers, examining objects, antiques, and fabrics. Other information This product is sold without batteries. Product dimensions are measured physically, with a possible error of 1 to 2 mm. Manual measurement may result in an error of 2-3 cm.