2PCS Optical Digital PD Ruler Pupilometer Interpupillary Distance Scale Tester

Description

Description:
【Precise】It is more precise than Vernier PD Ruler. The two white lines is very clear against the dark pupil and the pupil distance is displayed in the LCD screen. What's more, it can measure monocular distance separately. When two pupils centre are aligned with the white lines, press the left (right) black button, it shows the distance between left (right) eye pupil and bridge of nose.
【Powe off and Memory Function】The digital PD ruler will turn off automatically when it is set level and turn on automatically when using it to save energy. With the memory function, you do not need to worry losing data.
【Operation】Put the tester over your nose, as close to your eyes as possible, then find the middle of your pupils in a mirror, read the line closest to the middle of the pupils. Then the number displayed on the LCD screen is your pupil distance(Unit:mm). Please keep your eyes looking straight ahead during the measurement. If you are a tester, please keep looking at the nose of your tester during the measurement.
Warm Tips:
The digital PD ruler is used to measure the distance between two pupils. This is a simple PD ruler, it can help you when you want to purchase eyeglasses online or in eye glasses store. If you require very high accuracy, this one is not recommended.
Features:
1. Easy operation and fast measure.
2. Display the results of two eyes separately.
3. Monocular measure is also available.
4. Clear optical line, precise optical structure, and measurement.
5. Auto power off and memory function save energy and meanwhile ensure the data won't lose.
Specification:
Power: DC 5W
Power Supply: 23A 12V Battery
Size: 215mmx122mmx44mm (LxWxH)
Weight:0.2kg
Package Included:
2 x Interpupillary Distance Ruler
About US
Payment
1. We only accept PayPal, payment system supports Mastercard, Visa, Discover, American Express and eCheck.
2. The order will be processed and shipped within the promised time, so we do not accept any email/message instructions after you place the order.
3. If you have any questions, please contact us via eBay message before placing an order, we will solve your questions as soon as possible, thanks.
Shipping
1. We will deliver the goods within the promised time, please wait patiently, if you do not receive it on time, please contact us first through eBay message. We will try our best to solve your problem as soon as possible, thanks.
2. We only ship to the approved address given in EBAY payment. Please make sure payment address in EBAY is correct. Any non-received items caused by invalid address registered on EBAY are not in our full refund or replacement policy.
Return Policy & Warranty
1. We are the seller of good faith, high quality products, best service for you !!!
2. If you have any question or problem with your order, please do not hesitate to contact us via ebay message or email us. We will reply your message within 24-48 hours. Please contact us BEFORE leaving any Negative Feedback. Thanks !
3. If the item you received is faulty, damaged , incorrect, or any further problems, you can return it for replacement or refund, please contact our customer service on eBay within 30 days from item received.
Our Customer Service Opening Time (China time):
Monday - Saturday (9am-6pm)
Sunday - Closed
ALL E-mails will be replied to within 24-48 hours.
On Jan-16-22 at 19:20:28 PST, seller added the following information: