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5m standard logarithmic LED type eye chart light box
5 0 ReviewsYuanyan eye chart light box is applied to visual test during youth’s health check or employment health check as well as clinical study.Price: ￥ 0 / 箱Price: ￥ 0 / 箱-
YY-01-01-5
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YUANYAN
Quantity: Product Introduction：
Yuanyan eye chart light box is applied to visual test during youth’s health check or employment health check as well as clinical study.
Product features：
Adopt LED back-view method
Built-in AC to DC rectifier
Long service life-span
Technical Data
Product parameters：
Model Test Distance Power Overall dimension
LED Life Span Colour Temp
Light Balance YS-03 5M
220V 50Hz 15W 890*280*25mm 50000H ≥6500K ≥70% YS-04 5M 220V 50Hz 20W 890*420*25mm 
Product Introduction：
Yuanyan eye chart light box is applied to visual test during youth’s health check or employment health check as well as clinical study.
Product features：
Adopt LED back-view method
Built-in AC to DC rectifier
Long service life-span
Technical Data
Product parameters：
Model Test Distance Power Overall dimension
LED Life Span Colour Temp
Light Balance YS-03 5M
220V 50Hz 15W 890*280*25mm 50000H ≥6500K ≥70% YS-04 5M 220V 50Hz 20W 890*420*25mm 
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