3”STN LCD single color ‧128*64pixels ‧256K Flash Memory ‧12 multiple function keys ‧Back-light auto turn off setting ‧Power, Communication, Alarm LED ‧2 Comm. Ports. It can communicate with different communication protocols simultaneously. ‧Provide "program copy card" function: Save download time. ‧Support multi-languages display ‧CE & UL approved ...