heat source(heat pad or lamp)
hide/shelter(one on the hot side one on the cooler side and humid one as well)
thermometers(one on the hot side and one on the cooler side)
if you have a ten gallon tank this will cost you about 50-60 dollars without the lizard, and do not buy their hide you can find or make shelter for free around the house. and you do not need multiple heat sources if you have a ten gallon tank a 15 dollar heat pad will do the job just fine. and you want the hot side to be 85-90 degrees will the colder side 75-80 so he can regulate his temperature.