I've been searching quite long for an RBGW LED lighting solution I coud use in my office room to replace old halogen bulb suspensions, and to create a light mood thanks to RGBW mixing. I didn't find anything matching my specs on the web... when looking for guitar accessories on this website, I decided to have a look at the lighting section, and I decided to give a go with 2 of these bars. I must say the result is perfect. With a ceiling at 2,5-meter high, the light output is enough for my needs. the construction is really robust and, although the metal body, is light enough for about any use. easy to install, I control these bars in DMX mode, 4 channels, what is enough with my lighting desk. We will see if the LEDs last for long as my experience with LED lighting is that it never last the so-said 50000 hrs, as the electronic in the lamps usually fail far sooner. Anyway, so far, I am pleased with theses devices...