So, where to start to function anti fog or he will have to install 10,000 for the equivalent of 1 true, then meter or a candle, it will do the same effect !!!!!! Please do not install it outdoors, there is no form sealing !!!! Fortunately I buy to illuminate the interior of a renault express, and again, luckily I put 4 because 4 lit in broad daylight, it shows just luckily the night it lights when even inside, but I'm not likely to dazzle me. You aurrez comprs product leak !!!