... view:WORD,EXCEL,PPT,PDF, Operation:Touch pad,with WIFI mini Projector,used projectoers,projector,film projector SystemTypeMobile ProjectorProcessorTeleshops TCC7901 498MHZ ... Ratio0.84(ratio)Minimum Projection Distance17.8cmMaximum Projection Distance200cmMinimum Image Diagonal7 inchMaximum Image Diagonal80 inchTo Restart time≤20SLamp houseRGB three-color LEDLED ...