Description: Aquarium Fish Tank Autotoxic Temperature Control Fan Tank Cooling Aquarium Fan Water Cooling Mute Aquarium Cooler. Features: Suitable for aquariums under 45cm 2-level speed control Mini smart, save energy and protect the environment Frequency: 50/60Hz; Voltage: 100-240V; Size: 65*105mm; Quantity: 1 Piece Note: There may be 1-2cm/1-3g error due to manual measurement, which is not a quality issue. Due to the different screen displays, there may be some color difference between the actual object and the picture, and the main picture shall prevail.