Item Type: Submersible Aquarium Heater_x000D_ Material: ABS_x000D_ Uses: Low Water Heating Rod for Aquarium, Reptile Tank, Fish Tank _x000D_ Temperature Control Range: 15 To 34_x000D_ Applicable Water Volume: Within 40L 1Rapid Heating: This submersible aquarium heater can heat up and adjust water temperature quickly, which is suitable for medium and small aquarium, reptile tank and fish tank. 2Intelligent Temp Control Chip: This mini fish tank heater is designed with intelligent temperature control chip. When the water temperature is too high or too low, the heater will automatically heat up or stop working. 3Easy Operation: This smart aquarium heater is equipped with external controller which can be easily operated, press the button for 5 seconds to switch temperature display mode( and ). 4Quartz Glass Tube: This fish aquarium heater has inbuilt explosion proof quartz glass tube, which is safe, durable and resistant to high temperature. All in one sealed plastic prevents electric leakage and other potential dangers. 5High Accuracy: This fish tank mini heating rod adopts precise temperature sensing probe that can precisely monitor real time temperature, safe and reliable.1 x_x000D_ _x000D_ SubmersibleAquariumHeater 2 x Suction Cups