presentation equipment,Guangzhou manufacturer, 1.3MP PH-130W,Visual Presenter,interactive presentation,desk top visualizer,HDMI,VGA,USB,visualiser,document camera,educational equipmenmt ItemPH-130WOpticsShooting Area300×245mmZoom12×optical zoom, 13×digital zoomFocusAuto / manualApertureAutoVideo SystemImage Apparatus1/3"..