... unlimited application. It is the most economic and practical system. Parameters :1,name:easy intelligent controller2, type:SEWO-T368.3, ... condensing5, working voltage:AC/DC12V.6, drive current:≤500mA.7, communication interface:RS485 RS232.8, communication distance:1200m9, card ... , to monitoring, changing, statements and other comprehensive management. 7,it can connect the voice mode , and Chinese LED ...