measure monocular and binocular
use convenientlyand measure correctly
save battery power consumption
cost performance high
Minimum Order Quantity: 1 Piece/Pieces
Supply Ability: 1000 Piece/Pieces per Month
Payment Terms: T/T,Western Union
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1.The function of digital PD ruler is close to the PD that we need when we wear the glasses .
2.HE-710 digital PD ruler also can measure the PD of the left & right separately besides combining them.
3.Use conveniently ,when set in level, it will turn off automatically . Turn on automatically when use it. It can protect the battery using life.
5.Power requirment 3A,12V battery
Package size 215*122*44mm
Net weight 0.2kg