WH0902 LED Nera visual Acuity Chart

WH0902 LED Nera visual Acuity Chart

Model No.︰WH0902

Brand Name︰TOWOO

Country of Origin︰China

Unit Price︰-

Minimum Order︰1 pc

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specifications︰ Tes Distance :25cm,30cm,35cm,40cm
Power Supply:Four AAA batteries,or AC power(100-240V),or computer(by USB cable).
Size:196mmX145mmX10M

Advantages︰ this product is double-sided shown,the selectable charts on the back is in the attached map.

Ship Date︰ 18 days

Standard Met︰ CE

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