Woliver Aquarium Heater,Submersible Aquarium Heater with Dual LED External Temp Display Controller,100W 300W 500W Fish…

🐠【High Quality Material】—The heater was made of explosion-proof quartz glass material, this heater is shatter-proof and blast-proof.Newest Upgraded protective heater cover was designed more thicker and compacter,which is heat resistant that will protect you little fish from scalding.
🐠【Fully Submersible Aquarium Heater】—Voltage 110V/60Hz, power 300 watt, heater rod length 9.45 inches, suitable for aquarium/fish/betta tank 26-53 gallon. The controller power cord is 3.94ft, The heater power cord is 4.9ft and the temperature control range from 68~93°F.
🐠【External Temperature Controller with Dual Temp Displays】— With dual LED digital displays, you can observe water temp and set temp of fresh or marine water at the same time. The external temp controller brings you more convenient and safe to adjust the set temp externally.
🐠【Smart Heating & Built with Overheat】— When the water temperature is lower than the set temperature, the fish heater starts to work until the water temperature reaches the set temperature. It can always provide stable water temperature for your beloved fish.Over temperature protection: When water temp exceeds 95°F, showing HH, and forced to stop heating.
🐠【Precautions for Use】—1.The fish tank heater must be completely immersed in water before powering on. When the heater has not been put into the water, please remember that it must not be energized.2.For your fishes safe ,you better to install the aquarium heater near Air Pump or where the water flow is strong to make the entire aquarium in the same temp.