Optical Digital Interpupillary Distance Meter Tester Tool PD Ruler Pupilometer

Description

Features:
【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.
Kind Note:
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.
Specifications:
Power: DC 5W
Power Supply: 23A 12V Battery
Size: 215mmx122mmx44mm (LxWxH)
Weight: 0.2kg
Package Included:
1 x Interpupillary Distance Ruler
Contact Us:
1. We strive to offer premium service and the most reliable products to every customer. However, something unexpected may occur sometimes. Please contact us to resolve any issue before leaving a negative feedback.
2. Please contact us by "Ask a question".
Shipping Policy:
1. We are not responsible for any undeliverable address. We reserve the right to charge the shipping fee for returned items due to wrong address.
2. Items are generally shipped out the next business day after your payment has been confirmed (Sat. & Sun. excluded.)
3. Orders from the United States will all be shipped out via USPS. The shipment usually takes 2-7 business days(Saturday and Sunday are excluded). If you need the item urgently, please contact us for detail before purchase.
Payment Method:
1.All payments must be prepaid.
2.We only accept PayPal, payment system supports Mastercard, Visa, Discover, American Express and eCheck.
Returns&Warranty:
1. We offer 30 days money back guarantee return policy .
2. Our warranty excludes products that are physically damaged or under improper operating conditions as well as misuse or improper installation on the buyer/user's part.
3. For all returned products, buyers MUST contact us for the returning address.
4. In all cases, buyers pay shipping fees at their own cost to return products for exchange or refund. We will be responsible for the postage of replacements. Refund will be made upon receipt of the returned item.