The compact uvb lights are not effective, the uvb doesn’t penetrate more than a couple inches into the enclosure. What you need is a reptisun 5.0 linear bulb or an Arcadia 6% linear bulb in a T5HO fixture laying across the top of your enclosure with the basking branch 8-9 inches below to get a uv level of 3 which is what they need. It looks like you have the reptibreeze 18x18x36 inch cage. You’ll need a second one as well as a second uvb light etc so you can separate them because they’re stressing each other out. Chams need to be housed individually. There will need to be a solid visual barrier between the two so they can’t see each other. I hope this info helps