I have a G25 to hang lights over the kitchen island. Not a bad price but I won't buy it again. Pros: - Installation is easy, just screw in, download the app and follow the instructions. - Works with Echo - Multiple colors, easy to change - Easy group formation in the app Cons: - They flicker. A lot of. Several times a day. The only solution I've found is to turn it off and on again. Not a good situation as I bought them for our kitchen lighting. Colors are managed in the app with a ring, thereβ¦