Hey everybody thanks for interesting in my first thread i actually want to build a RGV 7 color portable laser it works with 3x 9V batteries I'he already tested everything in theory ,but i need some help in the laser System itself it should work with : 10mW 532nm , 13mW 635nm and 20mW 405nm is that correct i want to be finished with his project april 2013 so there is not a lot of Time to make it so please help me however you can I Know every important thing about lasers so i don't see a problem in building it with help of this forum i will Post Photos of the assembly of this for me amazing laser do you have any tips for me ? Then Post them please !! Thanks again to everybody who is helping me here .