... interference 3.touch screen 4.stable and cost-performance 5.Individable sensibility Combo Metal Detector -Check Weigher SPECIFICATION1, Theory: ... arms/air pusher11, Operation Method: Touch Screen12, Alarm Method: Buzzer and lamp13, Power Source: AC110V/220V 50-60HZ14, ... Simple product edit and product store5, Quick product change and automatic adjust product sorting speed 6, Stainless Steel Conveyor ...