AQUASMITH Aquarium Heater,50w/100w/150w/200w/300w/500w Submersible Fish Tank Heater,External LED Controller, with Over-Temperature Protection and Automatic Power-Off When Leaving Water for.

AQUASMITH Aquarium Heater: 50 watt aquarium heater, suitable for 0-3.96 gallon for turtle tank and fish tank,Small size, Heating rod size 5.35-0.68 in, easy to hide, Cable length 70 in,Safe heating and precise temperature control.

LED external controller: Real-time display of the temperature in the fish tank, allowing you to check and adjust the temperature in the fish tank at any time (temperature accuracy ±0.5℉), and the temperature range can be set from 59℉ to 93℉.

Heating protection: Ensure that the heater rod will not cause harm to your fish or aquatic life due to overheating. When the set temperature limit is exceeded or the water level in the fish tank drops and cannot submerge the heater rod, the protection will be triggered and shut down in time. At the same time, the controller will display an error code (please see the instruction manual for details).

Material: The heating rod uses nickel-chromium wire for heating, and the quartz tube is filled with emery as a conductor. Its advantages are good thermal conductivity, fast heating, explosion-proof, corrosion-resistant, and can be used in both fresh and sea water.

After-sales service: This fish tank heater is not only of stable quality, safe and reliable, but also has very considerate after-sales service. We promise that if there are any quality problems within one year of use, we will provide you with free returns and exchanges. Our professional after-sales team is on standby at any time.