Feature: 1. Glasses with variable focus zoom. 2. Instantly control focus; adjust prescription and magnification independently for each eye. 3. Simple dial adjustment to change lens focus. 4. Lightweight design. 5. Easy to use. 6. Portable and convenient to carry. 7. Durable construction for long-term use. 8. Suitable for reading and distance vision. 9. Ideal for computer use, reading, watching TV, day or night driving; can be kept at desk, workbench, or used as backup eyewear. Specification: Material: AP Frame + PC Lenses Color: Black Frame Lens Diopter Range: -6.0 to +3.0 Diopters Frame Measurement: As shown in picture Centration Distance: 63mm Package Included: 1 x Adjustable Strength Lens Reading Glasses 1 x Storage Bag 1 x English User Manual Precautions: 1. All images have been professionally color-corrected. However, due to differences in ambient lighting and display settings, slight variations between the actual item and the image may occur. 2. Measurements are taken manually and may have slight deviations, which do not affect functionality.