Feature:1. [Nickel Heating Wire] Aquarium heater using high quality nickel heating wire material, excellent quality, stable and power saving, durable and not affected by magnetism, long service life.2. [Quartz Glass] Aquarium heating rod thickened quartz tube, faster heating speed, explosion proof and more stable, plastic shell can well the quartz tube to prevent fish scalding.3. [Save Electricity] When the heating rod begins to work, the machine instantly high power heating, until close to the set temperature begins to low power constant temperature, energy saving power saving.4. [LED Display] Fish tank heating rod with LED display controller, HD LED control display for real time monitoring of the state of the fish tank, note that the controller is not waterproof, please stay away from the water.5. [Away From Water Reminder] Fish tank heater 20‑34 ℃ cycle temperature control, when leaving the water, LED screen will display L1 and with a flashing reminder and stop working, convenient and fast.6. [Intelligent Light] The heater has built in smart sensor, if it can't detect the water will shut down, it can the fish, when the heater stick is working, the red light is on, when the heating stops, the blue light is on.Specification:Item Type: Heating RodMaterial: Plastic, Quartz GlassPurpose: Water Heating in Aquarium Fish TankSuitable Water Quantity: Less Than 200LSuitable Size for Fish Tank: Below 80cm/31.5inHow to Use:1. In the power off state, put the heating rod body into the water, the whole completely submerged in water, plug in the power supply, set the temperature.2. Place the heating rod in the water circulation position as much as possible, so that the heat of the heating body circulation to the water in the tank.3. Forbid to insert the heating rod body into the sand or mud at the bottom of the tank to prevent burning the rod body and other situations to cause unnecessary