This is a all time low for this portable tyre inflator according to couponsfromchina.
Thank you to onemesh for pointing out that compared to the Xiaomi inflator this does not have a battery so you'll need to plug it into the 12v socket.
By coincidence, a few hours ago I was commenting on how I was disappointed at my last 70mai product. But after getting an alert that it has dropped to this price I'm willing to take a punt on them again. Hopefully they are better at pumps than they are at dashcams.
Make sure you untick shipping insurance, this comes via AU direct mail which in my experience is quite quick compared to the usual china post.