... and Lengthened .4. FUNCTION:* Access Side:Pass left;* Making a judgment of the tickets and act rapidly . Then the indicators ... ;* Working smoothness with faintly grating and a long life time;* Folding down automatically under a special order; To get free passage ... INFORMATION ModelPart NumberDescriptionTicket MP-300715-037Housing,crossbars,MP-001,LEDN/A MP-300A715-038MP-300,MP-001,LED,Bar code scanner ...