Feature:1. The optical power of the primary mirror is 2.25 times, and the optical power of the secondary mirror is 5 times, which can be switched at will2. Stable grip, easy to carry, and available anywhere3. With LED lights, more careful to observe for clear details4. High quality material can make sure the durability and stability of the product5. Suitable for reading, lighting, manual and appraisalSpecification:Item Type: LED Magnifying ClampMaterial: ABS plastic + iron + acrylicOptical Magnification: 2.25 times (main mirror), 5 times (auxiliary mirror)Effective Diameter: 107mmBattery: 2 x AAA (not included)Applicable Occasion: Reading, lighting, manual, appraisal, etc..Package List:1 x Magnifying Glass1 x Clamp Bracket