MAIN CHARACTERISTICS range of product KNX aesthetic name M-ARC product or component type THERMOSTAT device presentation INSERT W CENTRAL COVER PLATE bus type KNX function available POSSIBILITY TO CNCT EXT SENSOR colour tint POLAR WHITE colour code RAL 9010 COMPLEMETARY CHARACTERISTICS type of setting MANUAL SET POINT ADJUSTMENT control type WITH PRESENCE BUTTON wiring device mounting FLUSH number of inputs 4 input type BINARY local signalling LED surface finish MATT