Long story short: After more than 6 months of delays, almost none of the backers got their lights and the few ones who got them are complaining that they are essentially unusable. Kickstarter says that it is not taking any action even though the vendor clearly broke some rules and most of the backers lost at least U$200
https://www.kickstarter.com/projects/photonlab/element-light-the-worlds-smartest-and-most-modular/comments