EYE CHART LIGHT BOX: equipped with LED lights, which emit light evenly and without glare, provide continuous bright lighting to ensure the accuracy of vision testing, and can meet the needs of both professional institutions and home use STURDY STRUCTURE: Adopts acrylic panel, which is wear-resistant, scratch-resistant and not easy to break. When cleaning, just wipe it gently to make it as bright as new; with high-hardness aluminum alloy frame, it firmly supports the eye chart and is not easy to deform after long-term use CONVENIENT WALL HANGING: It adopts wall-mounted installation design with hooks, which can be quickly and firmly hung on the wall, saving space and easy to install(Mounting accessories not included). Whether it is a white wall in the clinic or a wall in the home study, it can be easily installed and start vision testing immediately WIDELY USED: In addition to common places such as homes, schools, offices, etc., it is also suitable for professional institutions such as optical shops and hospitals. Whether it is daily vision testing or professional vision examinations, it can be perfectly adapted Service: We place great emphasis on our customers' shopping experience. If you have any questions, please feel free to contact us; we will respond to you within 24 hours!