Features: 1.Quickly heating to make sure your fishes in aquarium warmly and safely, a necessity in winter. 2.With the function of accurate temperature control, safe and energy saving, high performance. 3.Dual use for freshwater and seawater, automatic constant temperature, no need to adjust. 4.The installation direction of the suction cup can be adjusted as needed, convenient to put the heating rod at any angle. 5.Small in size, take up no space, plug and play, easy to operate with good waterproof performance. Specification: Item Type: Fish Tank Heating Rod Material: Plastic + PT Heating Film Color: As Picture Shown Rod Length: Approx. 12.5cm/4.9in Rod Thickness: Approx. 1.5cm/0.6in Rod Width: Approx. 2.5cm/1.0in Cable Length: Approx. 140cm/55.1in Weight: Approx. 137.0g/4.8oz Voltage: EU Plug AC 220V-240V, 50/60HZ US Plug AC100V-110V, 50/60HZ Power: 20w Temperature Control Range: 26±2℃ Suitable Water Capacity: Within 10L PackageList: 1 x Heating Rod2 x Suction Cup Note： 1 When using the heating rod, the water must be immersed in the heating rod and not exposed to the water, otherwise the power supply will be burned out. 2 When cleaning the sink, changing or maintaining, please cut off the power ten minutes before.