The daylight blue can be replace with softwhite regular house light bulb ,use a digital temperature gauge to probe the suitable temperature for ur juvenile cham which is 85F more or less on his basking spot(branch or vine)
Take away the red light as at night they need completely darkness to fall asleep ,put some more branches horizontally so the cham can roam around inside the cage instead of climbing on underside of the screen n accidentally getting burn from the light dome.
The cham can with stand the temperature around 50F at night with no problem at all.