Strato BW437RTU : ASC Configurable Wall mount BACnet/MSTP room controller. Temperature only 4 x AI/BI’s, 3 x AO’s, 7 BO’s Solid State & one jumper selectable AO/BO Local LCD display with 4 buttons By default supports 100 BACnet objects: Inputs (AI/BI’s), Outputs (AO/BO’s) & declared variables(AV, BV & MSV’s)- The -FCU model is factory delivered with a universal FCU application program- The -RTU model is factory delivered with a universal RTU, HP & AHU application program