The 50 watt Zoo Med Paludarium Heater is ideal for use in aquariums and aquatic environments. The compact design helps to save space, but still provides powerful heating to ensure that all creatures big and small are comfortable and healthy. Fully submersible with suction cup mounting, the Zoo Med Paludarium Heater features a digital temperature display that can be programmed to heat the water anywhere from 69 to 93 degrees Fahrenheit. Comes with an extra long cord for additional freedom and helps to prevent loss of appetite due to fluctuating or inconsistent temperatures. Suitable for tanks with up to 15 gallons of water.