You can fill out the following form or send us an email to [email protected] to get our quotation about the price and supply period of Seneca ZE-4DI-2AI-2DO (HW rev. A0/B0/C0) 4 CH Digital Input/ 2 CH Analogue Input, 2 CH Digital Output Modbus RTU-Modbus TCP-IP product. As soon as possible we will provide you with best price and delivery time offer.