Description
Cornea reflection light coincidence method used. Digital display accurate to within 0.25mm
Measurement range 24 to 38.5 each eye
Range of focus 30 to infinity
Battery operation, auto off after one minute.
- 22cm x 16.5cm x 6cm
- .68kg
- Power Voltage: DC 3V
- Uses 5 AA Batteries
English 
Français