Fabricante de Cuadro de agudeza visual LED multifunción 47CH de buena calidad

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Cuadro de agudeza visual LED multifunción 47CH

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Specifications

1. big led chartchart as the photo
2.Test distance 5 meters
3.children multi-function led visual acuity chart
4.Delivery: 3days

multi-function led visual acuity chart

distance visual acuity chart --- Balance between red and green visual acuity chart

chart as the photo.

1.Test distance 5 meter

2.Power adapter : input AC 100-240V, output:12v 1200mA

3.Dimensions : 646mm x 283mm x 18mm