Product review (4 stars): Only one thing fortunately which i could not test first hand is manufacturer ...
Extremely efficient range hood. Very powerful and works well even for Indian cooking where lot of oil and spices are used on daily basis.  It has all the desired features that i was looking for. As part of my habit I did extensive study to understand air flow, size, installation modes, installation variety options, availability of replacement parts within local market, manufacturer warranty , manufacturer service , exterior cleaning and interior fan cleaning before buying this and I can tell you that after using it for 4-5 months now I don't regret my decision.
Only one thing fortunately which i could not test first hand is manufacturer warranty/service which i hope i don have to ever do it :).

This range hood comes with plenty of options. Only few options which I miss in this range hood which was part of my checklist  but could not get in this price range were :-

1) Wi fi Enabled
2) Auto Sensor Turn On / Turn Off feature
3) Extra Slim and Deep
4) 4 Fans instead of 2 Big ones.

Only reason i quoted them 4 star is because it is missing above 4 features.