JH-25 2.5m normal children logarithm visual chart light box
$
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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; | |||||||
■LED light, light stability; | |||||||
■Long life, portable, energy-saving and so on. | |||||||
■Aluminium alloy frame. | |||||||
Specification: | |||||||
Type of chart: | E charts | ||||||
Distance of testing: | 5m | ||||||
Size: | 92 x 28 x 2.5(cm) |