Product Name
VD/PD Auto Shut-off PD Meter Pupillometer
Binocular pupillary distance
45~82 mm
Left or right pupillary distance
22.5~41 mm
Distance of target
> 30 cm
Power source
Voltage:DC 3V
Specification
5# AA battery
Time for automatic shut-off
About 1 minute after stopping operation, or turn it off manually
Application
pupillary distance testing