We offer temperature controller. Size : 48*48 72*48 72*72 96*96 standard type, withwithout rs-485 advanced type, withwithout rs-485 compact type, with rs-485 analog input without rs 485 for valve control linear voltage,relay output, voltage set up voltage pulse, tc, display and set up dta series dtb series dtc series dtd series dte series dtv series