LED Eye Chart, Rechargeable LED Vision Test Board with Led Light, Five Types of Visual Targets, Brightness: 80-320CD/m, for 25-30cm Test

Specification: Name:LED Eye Chart Light Average brightness of white background of vision meter:80-320CD/m Uniformity of white background brightness of vision meter:>0.85 Charger wideband input voltage: AC 100~240V Output voltage :DC5V 1000mA Applicable range :25-30cm Packing weight:about 0.5KG Packing size:20*15*1.6cm Product size:14.7*19.7cmPacking list: Host*1 Charging Cable*1 Instruction Manual*1

• 【Eye Chart Light Box】: Eye charts are standard charts for measuring vision and detecting other vision problems such as astigmatism, nearsightedness and farsightedness, red-green color weakness. Eye chart Light box frame is made of aluminum alloy, moderate hardness, support eye chart.
• 【Clear Writing】: High-tech panels are used, which are tough and not easy to break. Crystal LED lamp beads, luminous uniform, refuse to glare.
• 【No Glare Effect】: The fonts on the layout are printed using printing technology, and the handwriting is clear and not easy to fade. Very and sturdy. PS frosted panel light box. It can be cleaned with 1 wipe.
• 【Upgraded Design】: Different from the common design of the 、Eye Chart in market, we messed up the order of some letters, which can help users to test vision more precisely.
• 【Versatility】: Perfect eye care gift for optometrists, eye specialists, ophthalmologists, eye care workers, opticians, glasses manufacturers, etc, great for kids, students, home, office and school.