ECOVACS DEEBOT N79 Robotic Vacuum Amazon $160 w/code

Did a search and didn’t see it posted, Amazon is selling for $160 (regular price $200) with code:MDUDN46X.
Don’t have any experience with the brand but would like to know others experiences. The N79 boasts a 4.4-star average from more than 600 buyers.
The deal:
https://www.amazon.com/ECOVACS-Ro…06XVXRYTM/
Manufacturer description:
http://m.ecovacsrobotics.com/en/g…a5956ac131