International Buyers - Please Note. If you want to return the item, please make sure the item is un-opened.When you found the item is DOA, Please let usknow at once, we will tell you how to return it by our VIP chanael. If you have any questions, please send us. The item "1PC NEW In Box SIEMENS 6SE6440-2UD31-1CA1 6SE64402UD311CA1 One year warranty" is in sale since Monday, October 14, 2019. This item is in the category "Business & Industrial\Industrial Automation & Motion Controls\PLCs & HMIs\PLC Processors". The seller is "automation-park" and is located in Hong Kong. This item can be shipped worldwide.