HY-18 Digital PD Ruler

Feature:  High illumination white LED light source.  Rechargeable green lithium battery.  Fully charged can be used for

Feature:  Outstanding Optic Quality Ensure the Comfortable View  Precision Machining Makes the Smooth and Flexible Movement  Professional

Feature:  The first portable slit lamp in China, compact, hand-held, one hand operational high illumination white LED.  Fully

Feature:  Non-mydriatic image with reliable quality.  45⁰ full-circle design.  Switching anterior-posterior, para-position compensation lens.  Split-line aligning