Description
Features
- Streamline design and attractive appearance
- Metal material and gorgeous color
- A variety of colors to be chose
- Easy operation: suitable for children, adolescents, and adults
- Easy to carry, suitable for all kinds of occasions
- Self-check, do not need others’ help
- Professional website service, interaction, sharing, and vision data
- Permanent preservation
Technical Specifications
| Sphere Range | -12.0 D to +6 D |
| Spherical Degree Wide Interval | ± 0.5 D |
| Spherical Tolerance | ± 0.25 D |
| Power | 3 AAA batteries |
| Size | 7.87 in x 3.94 in x 2.55 in (200 mm x 100 mm x 65 mm) |
| Net Weight | 10.54 oz (299 g) |