| Easily Controllable |
| Type: Snellen compatible charts. Features 33 charts(randomly |
| accessable) with 5 different types(Letters, Landolt C, |
| Illiterate E, Numerals, Kindergarten), 60 different masks |
| high speed chart switching(0.3seconds) |
| Remote Control: remote control system |
| Filter: red/green |
| Distance of Projection 2.2m-6.5m |
| Tilting Angle: 360 |
REASONABLE PRICE WITH HIGH QUALITY
| Model Number: | RB3300A |
| Place of Origin: | China (Mainland) |