At the time of this post the machine is again available:
https://www.amazon.com/Happybuy-Ultrasonic-Cleaner-Stainless-Cleaning/dp/B07L3G9TBS/ref=pd_ybh_a_1?_...
https://www.amazon.com/Happybuy-Ultrasonic-Cleaner-Stainless-Cleaning/dp/B07L3G9TBS/ref=pd_ybh_a_1?_...