Hanchen PD Meter Digital Pupil Distance Meter PD Ruler Pupilometer with Memory Function CE Certificate industrial_Dec2022 low loss and Flexible RG316

low loss and Flexible RG316 coaxial cable

0 version influence and the design of the mobile phone holder make it more convenient for you to use

Rain Bird UT1 Replacement Transformer for SST Series Indoor Irrigation Timers

98 inches/2

80 and 100 pound test lines

Hanchen PD Meter Digital Pupil Distance Meter PD Ruler Pupilometer with Memory Function CE Certificate industrial_Dec2022 low loss and Flexible RG316Hanchen PD Meter Digital Pupil Distance Meter PD Ruler Pupilometer with Memory Function CE Certificate Product Features OperationIt is recommended to have a second person help you while testing. Put the PD Meter over your nose, as close to your eyes as possible. Then find the center of your pupils, the white line should be aligned with the center. The number displayed on the LCD screen is your pupil distance(Unit: mm). Please keep your eyes looking