hygger Aquarium Heater, 300W Fish Tank Heater, Adjustable Temp 15-34℃

Product features

1. 🐟【Wide Application & Memory Function】: 300W aquarium heater is sutable for small glass or acrylic aquariums up to 151-283L fish tank. Also, with the memory function, you don't have to reset the temperature if you get power outages. Ideal for betta tropical fish tanks, turtle tanks, freshwater and marine water tank. Please choose the right wattage aquarium heater according to our size chart
2. 🐟【Digital LED Display Controller & Changable ℃ or ℉ System】: This submersible aquarium heater has 2 temp control systems, temp control range: 15-34℃ /59-93℉. The controller displays real-time water temp on the top and set water temp on the bottom, the red light on means start heating, the green light on means stop heating, long press the + and - button together for 5 seconds to switch between ℃ and ℉ directly at will. The external controller design can avoid wet your hands when adjusting the temperature. Note: Please unplug the power when cleaning the fish tank or changing the water in the aquarium
3. 🐟【Sensitive Temperature Control Probe & Multi-Protection】: This fish tank heater equipped with intelligent built-in temperature control and water sensor system, the tropical fish tank heaters will automatically stop heating, beep alarm and green light flashing when occurs as below: ① Error code: "Er"-- Dry Run, the aquarium heater head is 5cm out of water; ② "EE"-- Overheating, water temperature exceeds 36℃（97℉）; ③ "EU"-- water temperature is below 12℃（54℉）
4. 🐟【Explosion-proof Quartz Aquarium Heater】: hygger Aquarium Betta Heater is crafted with explosion-proof quartz glass tube and high-temperature resistant stable nickel-chromium heating wire, which can quickly and stably conduct heat to the water. The removable black ABS protective shell is easier to hide and prevents scalding, protect you and your aquatic pets on all fronts!
5. 🐟【Safety Instruction】: ① Please keep the heating rod 100% fully submerged , and use the suction cups to make it correctly installed on the tank wall. ② The controller is not waterproof. ③ Make sure to unplug before water change or cleaning, coolling down the fish heater for 15 minutes before taking out. ④ Note: Although it will give an error code, alarm and stop heating to prevent any potential damage or injury when malfunction occurs, residual heat in the heating rod may melt the shell. Please handle it as soon as possible