Category：Cooperative Product

Product specifications：

MAIN TECHNICAL INDEXES

1、Range of measurement：Binocular pupillary distance: 45～82 mm

Left or right pupillary distance: 22.5～41 mm

2、Indication error：≤0.5 mm

3、Rounding error：≤0.5 mm

4、Distance of target：30 cm～∞

5、Power source：Voltage：DC 3V

Specification：5# AA battery

Quantity：2 pieces

6、Time for automatic shut-off：About 1 minute after stopping operation, or turn it off manually.

7、Size： 233mm(L)×165mm(W)×70mm(H)

8、Weight： 0.68kg