Deal is back with $300 coupon that brings down the price to more reasonable sub $400.
Yeedi vac 2 pro Robot Vacuum and Mop Combo, with Oscillating Mopping, 3D Obstacle Avoidance, 3000Pa Suction, 240mins runtime. 3000+ reviews with 4 stars overall
Upcoming robot vac at Aldi special buy is similar features and price but half the runtime
But we got it for $256.38
https://www.ozbargain.com.au/node/743137