Widely applied to industry, food & beverage order dishes system, POS system, VOD all-in- ... 25~65 KHzPerpendicular 56~75 KHzControl keyLanguage EnglishFunction OSD display menu, PositionsVGA portDB-15 portDC AdapterDC12V4APower supply100V-240VACOperation Temperature-10 ... Certification:FCC, CE Application Widely applied to industry, food & beverage order dishes system,POS system, VOD all-in-one terminals ...