... and the guard read the card into a card reader, parking amount will be shown on the computer, ... a, Box for entry b, Control board c, ID reader d, Card machine e, Vehicle sensor 2 and cable ... RFID a, Box for exit b, Control board c, ID reader d: Led Graphic Display e: Voice prompt (optional) ... *1500CMThe system can be achieved by fixed card reader and temporary card two waysFixed User open railing barrier ...