I knew is not perfect now, I just can do this right now because diffrence place have diffrence to do for match to breding them, in H.K the weather is so hot in the summer, I set up the light on top of the cage before years ago but is did not work, because no any heat can suport them, if I use the mega ray is easy to over heat, so is no idea just can put inside and use 12-23w night bulbs, depends on here is much better, u need to know I need to turn on 3 of the air con to keep the temperature round 26-28 everyday about 12hours, the another 12hours I will use 5 fans to keep, so I can not manage the other very good temperature and idea for them again, depends on I try many ways before, and I come here is not for fight, hope have good discuss and sharing, any advise I am really wellcome, just need is right side to discuss, I trust anyone here is true heart to love Chameleons, but pls to think the diffrence place and standing on the other side's position first, than I really want can keep happy talk and positive discuss here, may be have a great result for everyone Chameleons lover in the world.