Automatic preset paludarium heater features 100 watts for heating up to 30 gallons of water. Preset: Simply attach to the inside wall of your turtles enclosure and plug in. The Paludarium Heater will warm the water to 78'F (26'C). SAFETY: The heater will automatically shut off if removed from water. APPLICATIONS: For use in Paludarium habitats with up to 30 gallons of water*. (*For use in 30 gallons of water. Heater must be fully submerged.) Mount on side or back of aquatic turtle habitat using enclosed suction cups. F..