... the faulting code.Distingush if there is no card in the machine, and display it is shortage of card and lock the machine ... machine at the certain time.The material of the machine: made with steel, it is durable and strong.The surface: 5 ... 80%Weight: 80kgSize:1600x500x340mmVoltage: 100--242V 50HZ/60 HZ Scope of application: China mobile, China unicom, telecommunications, store, supermarket, hospital, ...