Feature: 1. [Nickel Chromium Heating Wire] Aquarium heater using high quality nickel chromium 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 protect 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 protect 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 Rod Material: Plastic, Quartz Glass Purpose: Water Heating in Aquarium Fish Tank Suitable Water Quantity: Less Than 200L Suitable Size for Fish Tank: Below 80cm/31.5in. Package List: 1 x Heating Rod2 x Suction Cup1 x Instruction Manual