Visual Acuity Chart, Eye Wall Chart, LED Light Box Astigmatism Chart, Standard Logarithm Chart Light Box, Suitable for Home, School, Shop, Factory Use

Description

Technical parameters of led eye chart light box 1. Light box size2.5-meter visual acuity meter light box dimensions: 660x280x28mm2.5m vision chart light box screen size: 580x200mmDouble side light source Screen brightness: ≥200cd / m²Border color: blackFrame material: aluminum alloy The four sides of the frame can be opened, change the panelRecording method: decimal record and 5 points recordPower cord length: 1.8 metersPower supply voltage: 220V50HZ