Attractive and Big LCD Display Multiple modes control(Manual,Economy and PRG. Mode) Water underfloor heating or cooling system(3A) Heat Mode & Cold Mode KNX/Modbus interface 3-speed fan control or EC fan control 7 days Programmable (4periods/day) RS485/Modbus  ( ODM service)   WiFi Remote Control Clock display Frost protection Child Lock   CE, ROHS, RED