Instructions for using:
■ 25CM or 30CM distance from examinee when checking near vision.
■ It can be used separately or charging using.
■ In order to prolong using life,please power off the machine when unusing.
■ If there is dust on the machine,please use glasses cleaning cloth to wipe it.
■ Avoid sharp things scratch the surface.
Product brief introduction:
■ New multi-function near logarithmic vision acuity chart, and alphabet chart
■ Two sides for testing, one side test at 25 cm, the other side test at 30 cm
■ Fashion modeling,ultrathin design.
■ LED light source,energy conservation,power saving and long life.
■ Tow kind of LED brightness option.
Features:
■ Diversification test
1. Astigmatic fan dial
2. Cross cylinder
3. Cross grid
4. RG panal
■ LED source inside
■ Uniform illumination
■ No flicker, eye protection
■ Handheld, easier to use
■ Rechargeable lithium battery
■ More convenient to use
Processing time
According your order list. we will supply delivery time .
Commonly is 5-7 work days after we confirm payment
Shipping time
By Express : 3-7 days . Door to door service
By Air : 3-7 days . (the goods arrival at your local air ports
By sea : 30-40 days (the goods arrival at your local sea ports )
PS : by air or by sea, if you need door to door service, please tell us . we will help you checking the extra door to door cost.
How many months warranty do you provide ?
one year
What should I do if the machine have question ?
For ensuring all the items are in good quality, we will test all products before the packages were sent out. Once the machine have some question, please don't worry. kindly send us some images of the situation , Video and machine series, and explain the question in where . we will supply solution to you deal soon.
What should I do if the spare parts is broken in Warranty ?
If in Warranty, some spare parts broken in the Use. kindly supply picture or video , and machine series number .
We will send the spare parts by express to you soon.. and we bear express cost .
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