Manaul Refractometer for family use
Features:
Streamline design and sttractive appearance
Metal material and gorgeous color. A variety of colors can be chosen.
Easy operation, suitable for children,adolescents and adults
Easy to carry, suitable for all kinds of occasions
Self-check, do not need others’ help
Professional website service, interaction, sharing, and vision data permanent preservation
Specification:
| Suitable for | Children, adolescents and audlts |
| Color | China Red(R), Sapphire(B), Harvest Yellow(G), Pink Drerm (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 dazzling |
| 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, Forecasts |
| 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) |
