Hi! You can get a CHE set-up https://www.amazon.com/Encompass-All-1000W-Combined-Temperature/dp/B076J1CZVV/ref=sr_1_2?keywords=zilla+thermostat&qid=1580413396&sr=8-2
with a CHE bulb and a dome lamp
and place it right on top of your cage on the bars. I have a cooling rack that I leave of the top of my bin cage and the heat lamps go directly on top so that they are aimed straight down into the cage :)
This is what I got, per the recommendation of the breeder we used: