The K7 V3 has been out for about a year and a half as far as I know (the non Wi-Fi version). I’ve had mine on the tank for 16 months and have not had any issues with them.
They make a really nice product for the price. The interface isn’t as great as many of the big name brands (especially on the older version that took a controller), their communication and shipping isn’t the best, although I never personally had an issue getting ahold of them.
I’ve been told there is talk of having a member on the forum ship the lights for them so that they will be shipped from within the US to help speed up shipping times.
I think
@tbrown3589 has some of the older models of their lights. I wonder if he has had any issues with leds burning out or any other failures on his?