Specification: New 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 Features: Eyewear with variable focus zoom functionality. Instantly control focus with adjustable prescription and magnification for each eye independently. Simply turn the dial to adjust the lenses. Lightweight design for comfortable wear. Easy to use and convenient to carry. Durable construction for long-term use. Suitable for reading and distance vision. Ideal for computer use, reading, watching TV, and day or night driving. Can be kept at desk, by workbench, or used as backup glasses. Package Included: 1 x Adjustable Strength Lens Reading Glasses 1 x Storage Bag 1 x English User Manual