Customization: | Available |
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Classification: | Optometry Equipment |
Type: | Portable Auto Refractometer |
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Suitable for | Children, adolescents and adults |
Color | Chain Red(R); Sapphire(B); Harvest Yellow(G); Pink Dream(P); Roland Purple(V); Titanium 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) |
Servise | Professional servise 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 |
Packing size | 200mm(L)×100mm(w)×65mm(H) |