Optical Digital Pupilometer 45-82mm LCD Display PD Meter

Description

Feature:
- Self-measurement of PD: The meter is a must-have tool for those who want to buy eyeglasses online.
- Accurate to Use: A as-accurate-as-possible pupil distance is significant to make your eyeglasses comfortable to wear.
- Monocular/Binocular Measurement: With the back monocular covering knob, the device can measure both eyes or a singel eye.
- Adjustable Brightness: Its operators can adjust the light box brightness to go with personal needs and measuring environments.
- Automatic Shutdown: The function transition button allows its users to set an automatic shutdown time to save battery power.
Specifications
Binocular Pupillary Distance:48-52mm
Left/Right Pupillary Distance: 22.5-41mm
Pupilometer Dimensions: 22*15*5cm
Battery Powered: 2* 5# AA Battery(not included)
Package Included
1* PD Meter
1* Manual