OMR is a hightech data input device and can scan the barcord..it can be widely used in education examinations, signing up,. Specifications: Model:OMR43FSReading mode:single-face and read one timeFeeding mode:automaticSpeed:8000pcs/hour (based on A4)Form size:130mm×50mm-300mm×210mmForm weight:70-150g/m2Track spacing:5.08mmMarking tools:No.2 or softer pencils,carbon pensMark shapes:Rectangles,ovals ...