I bought 2 sets of these to upgrade the stock lights on my tractors. They looked like they would make good work light replacements and oh man, are they bright. I put one on so I could see the side by side difference between the old halogen work lights and these. It's like comparing a candle with the noon day sun! The light temperature looks almost blue in the pictures but it is ultra white. It's not hard on your eyes to use the light, only to look at the light! I'll be buying more for sure. In fact I bought these because I have a Nilight light bar I bought for a trailer but is actually too bright!