Hi @mdziedzic 

Thanks for posting in our business forum.

For any products we have, if there is a change, we are not obliged to inform the customer. There may be iterations for a certain model due to certain parts may be supplied by different suppliers. For us, we need to have different versions to specify them as we have documents about their manufacturers.

About this model, you asked for, I also checked their specs and datasheet. I don't find a major change in its hardware. It could be the case I said above, certain parts may be changed and that affects some minor specs. But we always recommend you refer to the specs and datasheet for more details that you are interested in. For the VIGI product family, there may be a software upgrade to it and the newer version may have some features that the old one does not have. But the hardware specs remain similar.

The basic concept will be that if the model is the same one, but has different hardware versions, you may get some minor changes when the product iterates. But the main feature for security and overall specs will remain similar. If the changes are major, they'll be obvious in the specs if you run a product comparison. Or we will simply release a brand new model.