its a 20 gallon tank...he has two hides...he has been in the cooler one lately which makes me worried about the uth...just unplugged it...he has repto bark as substrate...i dont know humidity as of now..i just know it is not humid in there...which last time i read was good...i havent taken temps since i moved the cage around so ill check it again in a minute and get back to u on that