I purchased my relay from AMAZON and have constant troubles. I recently called them and they are sending a replacement. But there appears to be a difference it is labeled WIG WAG LITE. I see that is doesn't support z-wave or zigbee but claims that those protocols can be added. I am wondering what those fees are going to be. I have yet to be able to contact wig wag in any way shape or form so I am hesitant to accept this unit as a replacement but AMAZON tells me it could be 2-3 Months to receive a standard relay replacement. ANy thought?