Features: 1.Made of high grade material, which is durable, anti-corrosion and eco-friendly. 2.The glass shell is anti-explosion with fast heat transfer rate, safe, reliable and also energy-saving. 3.Adjustable temperature 17-35, maintaining the uniform temperature of the fish tank. 4.With the suction cup design, easy to be fixed. 5.Provide optimum aquarium water temperature, easy and convenient to use. Specification: Description: This item is made of high grade material, which is durable, anti-corrosion and eco-friendly. Adjustable temperature 17-35, maintaining the uniform temperature of the fish tank. Anti-explosion with fast heat transfer rate, safe, reliable and also energy-saving. Features: Made of high grade material, which is durable, anti-corrosion and eco-friendly. The glass shell is anti-explosion with fast heat transfer rate, safe, reliable and also energy-saving. Adjustable temperature 17-35, maintaining the uniform temperature of the fish tank. With the suction cup design, easy to be fixed. Provide optimum aquarium water temperature, easy and convenient to use. Specification: Type: Fish Tank Heater Plug: EU (If you need any adapter, please make a note.) Voltage: 220 V Wire Length: 90cm or 35.4in Material: Plastic and Metal and Glass Temperature Range: 17-35 Power: 25W, 50W, 100W, 200W, 300W (Optional) Length or Power: 20.5cm or 8.07inch (25W), 20.5cm or 8.07inch (50W), 26.5cm or 10.43inch (100W), 30.5cm or 12.1inch (200W), 30.5cm or 12.1inch (300W) Power Cable Length: 80cm or 31.50inch Package Include: 1 x Fish Tank Heater Note: Dear customer, Please rest assured to buy without worrying about the plug adaption. We will provide an adapter for you according to different country standard and ensure its normal use.