LY-21B LED 5M Standard Logarithmic Visual chart light box

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Product Name:
LY-21B LED 5M Standard Logarithmic Visual chart light box
Model No.:
LY-21B
Minimum Order:
1

Product Abstract:

Size:92x45x2.5CM | Stardand:5M | LED | Frame: Aluminium alloy with Acrylic panel | Weight: 3.5kg

Product Description

Product Abstract:

This visual chart light box is made of high quality raw materials, all aspects of its performance are far beyond the traditional visual chart light box.

Features:

■ Brightness is uniformity, light soft and comfortable

■ The charts are not easy to wear, and can maintain a long-term clear;

■ DC light source, light stability;

■ Long life, portable, energy-saving and so on.

Specification:
Type of chart:	E chart,astigmatic chart,red/green balance chart
Distance of testing:	5m
Range of testing:	from 4.1 to 5.3
Material:	Aluminium alloy frame
Product technology：	Acrylic panel with silk printing
Record of vision:	five points record,decimal record,fraction record
Size:	9202828mm
Gross weight(1pc)	3.6kg
Packing size(1pc)	107389cm
Gross weight(4pcs):	16.6kg
Packing size(4pcs):	1113841cm

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