DETAILED DESCRIPTION:PD Meter-Usage and Features: * To measure the pupil distance.* Exactitude optical configuration, measure more accurate.* Method of measurement:cornea reflection light coidence method.* With adjustable knob and auto power off function, easy to operate and save power. -Parameter: * Effective range of measurement: 44-83 mm (binocular pupillary distance) 22-41.5mm (monocular pupillary distance)* Indication Error Range: ≤0.5mm* Available monocular measurement range: 30cm to infinity* Electric voltage:DC4.2V* Weight:0.8kg* Size:310*230*110mm-----------------------------------------------------------------------------------------------------------------------------------------------WHY CUSTOMERS CHOOSE US:1. HIGH QUALITY WITH COMPETITIVE PRICE;-SELECT HIGH QUALITY RAW MATERIAL;-SELL GOODS BY FACTORY DIRECT PRICE WITHOUT AGENCY;2. GOOD BEFORE-SALE AND AFTER-SALE SERVICE;-REPLY YOUR ENQUIRY WITHIN 24 WORKING HOURS BY SKILLED STAFF;-ONE TO ONE CUSTOMER SERVICE TO SOLVE YOUR PROBLEM IN THE FIRST TIME;-FOLLOW YOUR FEEDBACK ON TIME AFTER GOODS SHIPPED.3. WELL-TRAINED AND PROFESSIONAL STAFF.-SEVERAL YEARS EXPIRENCE IN THIS FIELD.4. QUALITY CHECK FIRST BEFORE YOU PLACE AN ORDER. -A CERTAIN FREE SAMPLE BY FREIGHT COLLECT IS ACCEPTABLE.YOU CAN CHECK THE QUALITY FIRST, SO THERE IS NO WORRY ABOUT THE QUALITY.5.MOQ IS FLEXIABLE.- BOTH TRIAL ORDER AND BULK ORDER ARE WELCOME.WE DO BOTH RETAIL AND WHOLESALE, SO THE MOQ IS FLEXIABLE FOR ALL CUSTOMERS.6. THE QUALITY OF PRODUCTS ARE GUARANTEED..-THE QUALITY OF MASS PRODUCTION ITEMS ARE CHECKED BY APPOINTED QC BEFORE DELIVERY.7. STABLE PRODUCTION AND SHORT DELIVERY DATE.-WE PRODUCE AND WE CONTROL THE QUALITY FOR YOU. -COMMON ITEMS ARE IN STOCK, FASTER LEAD TIME.8. ONE-STOP PURCHASE-CUSTOMERS CAN PURCHASE ALL KINDS OF OPTICAL ACCESSORIES & INSTRUMENTS FROM US. WE NOT ONLY PRODUCE MANY OPTICAL ACCESSORIES SUCH AS SILICONE NOSE PAD, ANTI-SLIP NOSE PAD, SCREWS ect BUT ALSO HAVE GOOD COOPERATION WITH MANY OTHER MANUFACTUREIF YOU WANT TO KNOW MORE ABOUT US, WELCOME TO CONTACT.Contact person: Miss ZoeTel:+0086-0512-36687362Fax:+0086-0512-36685841Website:hmcoptical.en.made-in-china.com
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