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China LED vision chart
23'' TFT LED 3D Polarized vision chart
* Features
1) 300 charts, clear and accurate
2) Adjusting working distance: 1m ~ 6.5m
3) wall bracket or table standing
* Specifications
3D Polarized Mirror Image Charts
1. 23 inch TFT LED Philip monitor
2. Measuringdistance: 1.0m - 6.5m
3. Standard Measuring Charts:
Letters / Children / Number / Tumbling E / Landolt C /Red-green Blindness / Contrast sensitivity
/Red Green / Worth ForDot / Minute Stereo / Schober / Cross / Fixation / Cross grid / Beehive
/ Astigmatic Clock Dial
4. Masking:
Horizontalline / Verticalline / Singleletter
5. Dimensions:
main machine: 440mm (L) * 376mm(H) * 16mm(T)
6. Weight:
main machine: 5 kgs
remote controller: 0.19kg (battery excluded)
7. Power Source: AC 100 to240V ±10% 50/60Hz
8. Power Consumption: 20W
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