N20K48 Modular Controller Mains Powered Display shows process variable values with 11 segment alphanumeric digits. Lower Parameter Display show the Set Point Values. A Graphical Bar shows the progress of Ramps and Soaks. Various Flags for Alarm Conditions, Operations, Timers, Comms, etc. Four button keyboard on front panel. Each display has 1 Universal analog input channel, 1 pulse output channel, 1 Relay output channel and USB and Bluetooth Low Energy (BLE) Interfaces. Connecting a Dock allows for up to 8 ClickNGo modules. Power Supply: 100~240vAC. Dimensions 56.7 x 50.8 x 38.6mm.