AQQA Quartz Aquarium Heater Submersible AQ-015
* Rapid thermal accumulation * Adjustable hook * Auto shut off and warning signal * Dual temperature probe * Memory function * LED digital temperature display * Safety explosion-proof * Precise temperature control * 100W 25 - 35 GallonWith the built-in thermometer, the heater will automatically heat up when the water temperature is lower than the set temperature by 1°F, and stop heating when the water temperature is consistent with the set temperature. Fahrenheit and Celsius can be converted freely. You can keep pressing the SET button on the top of the controller for 5 seconds to convert the unit between Fahrenheit and Celsius.