MQ Titanium Alloy 500W Aquarium Heater for Salt and Fresh Water, Digital LED Display Submersible Heater with External Thermostat Controller, for Fish Tank 70-80 Gallon

Feature:
1) FULL Submersible heater, made of shock resistant and shatter proof Titanium Alloy tube for fresh or salt water.
2) Voltage AC 110-120V. Temperature may also be adjusted between 20-34℃, 68-93F. You’ll press the ‘SET’ key to shift degree unit between Celsius and Fahrenheit
3) On/Off indicator light for at-a-glance monitoring. Safety Keep watch over protects against running dry
4) The heater will automatically turn off when water level dips too low
5) Aquarium heater with LED digital display, IP68. Keep watch over Accuracy: ±3°F
6) The length of cable is 1.5 m/ 5 ft. Includes suction cups

Note:
For better experience and safety, please carefully read and follow the user manual.
Don’t bury the heater in sand or mud.
Please don’t plug in before the heater is well installed.
If you wish to clean the fish tank or take out the heater, please disconnect power and wait for 30 MINUTES to cool down.

Package included:
1* Submersible Aquarium Heater
2* Suction Cups
1* User Manual

If Error code E1 is all the time showed on the display, the temperature probe on the top of heater may be blocked by small bubbles or excess water.
There are two kinds of solutions for your reference.
1. Take out of the heater, shake the top of the rod to remove bubble or excess water in the probe.
2. Reset the heater：
(1) Press and hold the set button
(2) The LED display will start to flash after the heater is power on
(3) Release the set button, and press the button again to set temperature.
(4) Take the top of the heater out of water
(5) After the LED screen stops flashing, press the set button again to keep the desired temperature.

Any questions, please feel free to contact us. Our customer care team are all the time here that will help you.

Durable Titanium Tube – This aquarium heater is made of premium Titanium Alloy, double seal material, advanced design to make sure Secure operation. It has explosion-proof function whilst being also shatterproof and waterproof.
Wide Temperature Range – The temperature of the heater may also be adjusted between 20-34℃, 68-93F. It is suitable for many kinds of aquariums, fishes and amphibious turtles.
Easy Viewing and Secure Adjusting – It is easy and Secure to adjust temperature by the external controller and the temperature will be shown on the LED screen of the heater.
Intelligent Temperature Keep watch over – It can ensure the temperature constant at the set point as it can adjust heating power automatically if there is any water temperature variation. So that it can avoid temperature mutation and protect fishes.
It is going to stop heating when the water temp reaches to the set temp, restart heating when the water temp is 1℉ less than the set temp. The heater is working when the indicator light is red.