... is: XC3-18R-E, 10 input 8 relayoutput) and an operate panel (OP320-A-S, support RS485, 3. 7", monochrome LCD,192 ... x 64 pixels, 20 keys) This model can also insert a ... With compact structure, the model saves the electric-control tank's space greatlyAlso the model's appearance is simple, compact and fashionable