Get the ultimate precision temperature capability with the Visi-Therm Deluxe Heater. The Visi-Therm’s water calibrated system and double-sealed encasement helps to ensure this heater will last for years to come. Choosing the ideal water temperature within one degree is as simple as a turn and click of a dial. Accurate monitoring is easy with suction cups that add additional stability and fully adjustable viewing with the triple-position window. Each Visi-Therm Deluxe Heater is CSA listed and crafted with high quality standards. At MyTurtleStore.com, we take pride in offering the highest quality products to turtle and tortoise keepers throughout the world.