HiTauing Aquarium Heater, 300W Fish Tank Heater with LED Digital Display & 5 Safety Protection, Submersible Aquarium Heater with 2 Suction Cup and 8.2Ft Cord for 40-75 Gallon Fish Tank.

HiTauing 300W aquarium heater, all to keep your lovely wet friend living in a warm and safe environment. In order for you to better use our fish tank heater, we have enclosed some use suggestions that we hope will help you. 1: This submersible aquarium heater is exclusively for indoor aquarium and heating. (The whole part of the heater should not be covered by filter material and debris to prevent functional failure). 2: Before turning on the machine, you should check whether there is any damage to the product, fix it according to the regulations, and then turn on the power to adjust the temperature. If there is damage, please stop using and please feel free to contact us. 3: the fish tank heater should be completely immersed in water, the temperature controller can not be put into the water. 4: It is not allowed to separate the fish tank heater or make any structural changes to it to avoid damage to the product and personal injury.5: When cleaning or maintaining the aquarium water heater, please turn off the power for 5-10 minutes before removing it for cleaning.