hygger 800W Titanium Steel Aquarium Heater for Fresh Water, Digital Submersible Heater with Built-in Thermometer, External LCD Display Thermostat Controller, for Fish Tank 120-180 Gallon

Please unplug the heater and wait it to cool down before doing water change or moving the heater.
Package Dimensions ‏ : ‎ 11.97 x 7.95 x 3.03 inches; 2.8 Pounds
Item model number ‏ : ‎ HG-969-800W
Date First Available ‏ : ‎ August 21, 2020
Manufacturer ‏ : ‎ hygger
ASIN ‏ : ‎ B08GG5TNGX

【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 temp. The heating mode is MAX heating when the set temp is 1℉or more higher than water temp, it will be ECO heating when water temp is 0.5-1℉ less than the set temp
【Suitable for Fresh Water 】durable titanium steel heating element, covered by sturdy plastic guard, service life can last for 3 years or more. Can be used for fresh-water fish tanks. The aquarium heater comes with a sturdy clip, there are 2 strong suction cups on the clip, easy to install the heater on to the fish tank wall. The fish tank heater can be placed horizontally or vertically under water. Please note this heater is not suitable for saltwer and high-hardness water