Product Size: Large lens diameter: 17mm, 5X; Large lens diameter: 65mm, 2.5X. Charging: Battery-powered. Requires 3 batteries to operate (batteries not included). 2 LED Lights: This soldering aid provides stable and steady light without obstructing your view. Features a super powerful and stable base. Adjustable: You can adjust the height with the up/down button, and there are also adjustable clips to support items. A spring mechanism ensures flexibility for optimal function. Application: Ideal for electronic work, repair, processing, cosmetology, manicures, pore observation, appraisal and scanning, watchmaker repair, appliances, reading for the elderly, and more. Product Name: Auxiliary Magnifier Maintenance (batteries not included) Product Weight: 338G Product Material: Metal/Acrylic Lens/Environmental Protection Material Package Size: 12*8.2*13.2CM Product Function: Repair of electrical appliances, engraving, and precision work under magnification. Quantity: 1 pc Note: Does not include other items; color is based on the first image, other images show only the effect. Due to differences between different monitors, the image may not reflect the actual color of the item. Due to manual measurement, please allow for deviation. Thank you.