New Factory Sealed AB 1794-IF4I 1794IF4I SER A Flex 4 Point Analog Input Module. Your full and accurate address. If you receive a defective item e. We may not accept your return without informing us in advance. Please do not open any case or return request before you cantact us.Communication is the best way to solve problem, if you have any problem, just send message to tell us, we will reply you as soon as possible. We will try our best to protect your benefits.