Item Type: PLC Industrial Control Board Material: Plastic Model: 224R-MINI Digital: 8 inputs and 6 outputs Analog: 2 inputs and 1 output Power Supply Voltage: DC24V 1A Programming Software: For v4.0STEP7_200_sp9 Expansion Module: 7 modules can be expanded Communication Interface: 1 ppi interface Dial Switch: Analog quantity can switch voltage and current Battery: 1x3V CR1220 button battery (not included) Package List 1 x PLC Industrial Control Board Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 1The PLC industrial control board can support 100k high pulse count with high accuracy 2The PLC controller can compatible with for Siemens S7200 series PLC with stable connection 3Adopts high quality chip with stable performance which can provide high-speed transmission 4The product has plastic material which can make sure the durability and stability of the product 5The product can support 7 modules expanded, with 8 inputs and 6 outputs digital