Portable Manual Refractometer
Product Description
|
Manually Refractometer
| Highlights: |
|
| Pupilla vision refractometer helps find vision problems early. |
| With it, you can know your vision situation without professional ophthalmologist's help anytime and anywhere. |
| Ultra-portable and easy to carry |
|
|
Easy operation and suitable for children,adolescents and adults
Features:
|
|
| Suitable for |
Children, adolescents and adults |
| Color |
China Red (R),Sapphire (B), Harvest Yellow (G), |
| Pink Dream (P), Roland Purple (V), Titanuim crystal Gray(S) |
| Spherical Range |
-12D to +6D |
| Spherical Degree wide interval |
0.5D |
| Spherical Degree of tolerance |
±0.25D |
| lighting |
LED backlight, and the light is uniformity, constant, not reflective and not dazzing. |
| Switch Mode |
LED lamp touch switch, instrument will shut down automatically after three minutes' shelving. |
| Power |
Three 7# batteries(AAA) |
| Service |
Professional service website. Users can input personal vision information; Forecast user's |
| vision direction according to historical data, provide vision care knowledge and glasses |
| reference information, etc. |
| Net Weight |
299g |
| Packaging |
200mm(L)X 100mm(W)X 65mm(H) |
| Payment Terms: | TT/LC/Paypal/Money Gram/Western Union |
| |
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