描述

China good quality Optical Instrument Handheld Refractometer MRT-180
Features

▲ Pupilla vision refractometer helps find vision problems early.

▲ With pupilla vision refractometer, you can know your vision situation without
professional ophthalmologist’s help at outdoors, home, travel, work and any time.

▲ If you have vision problems, you can find it early. If you are under myopia, amblyopia
correction, you can check your visual acuity every day on your own.

Specifications
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)
Net weight
299G
Packing size
200*100*65mm