I have a synology box with a pair of drives in RAID 1. That's not bad, but if something happens to that or my places goes on fire, well, I'll lose it all. So I

I have a synology box with a pair of drives in RAID 1. That's not bad, but if something happens to that or my places goes on fire, well, I'll lose it all. So I need a remote backup solution for it. I haven't found anything cheap and satisfactory yet...