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WH 11305 3M led distance visual acuitry chart light box

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LED Distance visual acuity chart

(WH11305)

 

LED BACKLIGHT VISION TESTING(PATENT PRODUCT)
Standardized and uniform illumination
Clearly printed optotypes
Can be placed on a table, or hung on a wall
Power supply:AC100~240V(by power adapter), or DC 12V (by optional battery)

 

 

 Test distance :3m.  with remote control 

 

 There are E Chart, number chart, letter chart, child chart. etc.

WH11305 NUMER 3M

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 0086-13675174098
  0086-25-58575880
 yaqinhe7@163.com
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 0086-13675174098

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