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LY-22C-1 LED Super thin 5M Standard logarithmimc and children logarithmic Visual chart light box
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Item#
LY-22C-1
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Description
| Product Abstract: | |||||||
| This visual chart light box is made of high quality raw materials, all aspects of its performance are far beyond the traditional visual chart light box. | |||||||
| Features: | |||||||
| * Brightness is uniformity, light soft and comfortable | |||||||
| * The charts are not easy to wear, and can maintain a long-term clear; | |||||||
| * DC light source, light stability; | |||||||
| * Long life, portable, energy-saving and so on. | |||||||
| Specification: | |||||||
| Type of chart: | E charts, astigmatic chart, children chart, polarized chart | ||||||
| Frame material: | Aluminium alloy | ||||||
| Light source: | LED | ||||||
| Distance of testing: | 5m | ||||||
| Range of testing: | from 4.1 to 5.3 | ||||||
| Optional: | Remote control for optional | ||||||
| Record of vision: | five points record, decimal record, fraction record | ||||||
| Size: | 835 * 435 * 17mm | ||||||
| Gross weight (1pc) | 3.3kg | ||||||
| Packing size (1pc): | 98 * 50 * 9cm | ||||||
| Gross weight (5pcs): | 17.8kg | ||||||
| Packing size (5pcs): | 100 * 42 * 55cm | ||||||
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