1 pc 220V aquarium heater for submersible fish tanks, automatic water heater with EU plug, 300W. Made of high-quality materials, durable, corrosion-resistant, and environmentally friendly. The glass casing is explosion-proof, provides rapid heat transfer, and is safe, reliable, and energy-saving. Adjustable temperature from 17℃ to 35℃, maintaining a consistent fish tank temperature. Designed with a suction cup for easy attachment. Provides optimal aquarium water temperature and is easy to use. Specifications Type: Fish Tank Heater Plug: EU (Please specify if you need an adapter.) Voltage: 220V Cord Length: 90cm / 35.4in Material: Plastic + Metal + Glass Temperature Range: 17℃ – 35℃ Power: 25W, 50W, 100W, 200W, 300W (Optional) Length/Power: 20.5cm / 8.07in (25W), 20.5cm / 8.07in (50W), 26.5cm / 10.43in (100W), 30.5cm / 12.1in (200W), 305cm / 12.1in (200W) Power Cord Length: 80cm / 31.5in