Strato BW437FCU (R) : ASC Configurable (SLC) wall mount BACnet/MSTP room controller. Temperature on 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 High Amp RELAY (2.5A)