A2/A3/WIFI book and document camera scanners,HDMI visualizer,video presenter

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Online shopping for A2/A3/WIFI/USB3.0/4K/18MP book and document camera scanners,HDMI visualizer,video presenter.(USB3.0/4K/HDMI/VGA/CVBS/Remote controller optional)| manufacturer pass TUV audit BSCI DBID:385804