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| Model No.︰ | TW-2210 |
| Brand Name︰ | Towoo |
| Country of Origin︰ | China |
| Unit Price︰ | - |
| Minimum Order︰ | - |
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| specifications︰ | MAJOR TECHNICAL PARAMETERS
Range of measurement:
Pupillary distance of two eyes: 45mm—82mm;
Pupillary distance of the left and right eyes: 22.5mm—41mm;
Working distance measuring grades: 30cm、35cm、40cm、50cm、65cm、1m、2m、∞;
Indication error:＜0.5mm;
Asymmetry error:＜0.5mm;
Rounding error:＜0.5mm;
Automatic shut-off:1 minute after operation stops;
Power source:DC 6V;
Overall dimension: 212mm×158mm×58mm;
Weight:550g;
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