Plenty more cameras, doorbells and bundles on sale on the page, including the newer 180 degree Duo 2 at $197.59, was $259.99. Or a Trail Camera if that's your thing, $360.79 down from $439.99.
I have a Reolink system and it's great.
Edit: removed expiry as it seems to give you a countdown to midnight each day. I assume this may run until Australia Day given it's an Aus Day sale but it's not specified anywhere I can see.
Which cameras do you have?