hygger 500W Titanium Steel Aquarium Heater for Fresh Water, Digital Submersible Heater with Built-in Thermometer, External LCD Display Thermostat Controller, for Fish Tank 60-120 Gallon
- ...n. Fast heating up aquarium heater, it takes about 3 minutes to heat 3.5 gallon water up 3℉. With 2 heating modes: Max heating, Eco heating, more energy saving than general high power heater.
- 【Auto Shut Off When Overheating or Not Fully Submerged】with built-in thermometer and waterline detector, when the water temp is over 97F, the controller will auto shut off to prevent overheating, when the top of heating element is out of water over 0.8 inch, the controller will auto shut off and stop heating and will automatically restart heating after you place the heater fully under water.
- 【Dual Digital Displays on Controller & Heater】the digit display on the heater is to show the current water temp, the controller digit display will show the current water temp and the set temp. When you want to check the water temp, you can see that on the heater or the controller display, the digits are synchronized updated.
- 【Fully Automatic Smart Thermostat】 it's very easy to set the temp on the controller, just press the set button to choose the temp digits from 70℉ to 94℉, only integer value can be chose. The heater will stop heating when the water temp reaches the set temp, and it will restart heating when the water temp is 0.5℉ lower than the set t....