Micro PLC (Programmable Logic Relay) Base Module, Supply Voltage: 100-240 V AC, Inputs: 12 digital inputs, Outputs: 8 relay outputs, Display: Integrated LCD display (4 lines x 16 characters), Mounting: DIN rail mounting, Function: Used for automation and control applications in industrial and commercial settings. It can be programmed via a built-in keypad/display or PC software and is expandable up to 44 I/O points with expansion modules.