A:AnswerI'm not sure but try doing it while being connect through a VPN. I know I don't have to be on the same network unless I'm using the home app on Iphone.
A:AnswerThey work like regular lights until they are connected to a bridge. Then, the added advantage is that you can adjust or turn them off remotely.
A:AnswerYes, you can adjust the illumination from 0% to 100% using the Hue app or by voice command with Google Home (or other assistant).
Have not used a different brand bulb so am not in position to comment. Enjoy!
A:AnswerYou are supposed to be able to use the hub and lights on a closed LAN network. I haven't specifically tried it yet, but it does seem that I don't have a connection if my internet connection isn't working. That might be due to configurations on my end though.
A:AnswerI have not done this myself, but it seems possible. Detailed instructions are available on the internet - search google for "does CREE work with Hue hub?" and you should see the link below ... https://www.androidcentral.com/how-add-your-cree-connected-bulb-hue-hub