For testing distance vision. Design to suit all refraction rooms and easily mountable on refraction unit and wall. Compact & light weight, Remote control with cord. It is  operated by remote to avoid wire connection. . The regular sequence of charts with English, Hindi, Regional Language, C Chart, Dot Chart. All charts are available up to 6/4 vision and also available in 4/3 drum vision. It is strong, sturdy and durable with metal body and plastic brackets. Power Supply AC 230V/50Hz.