Feature 1There are two adjustable wind speeds, select the wind speed according to the indoor temperature, and the cooling can attain 35.637.49F. 2Safety, 12V voltage, to ensure the safety of the fan, safety insulation material wiring, to eliminate dangers. 3Installation is convenient, the adjustable width of the fan and the bracket can attain100 degrees, the adaptability is strong. 4Good material, aluminum alloy bracket, keep the fan running longer and strong bearing capacity. 5With clamping mouth, the clamping mouth can clamp the tank wall with an inner thickness of 0.5 inches, which is suitable for the use of fish tanks.Item Type: Aquarium Cooling FanMaterial: Plastic,Aluminum AlloyProduct Size: Approx. 30 x 13 x 6.5cm / 11.8 x 5.1 x 2.6inPlug: ESInput Voltage: 110-240VOutput Voltage: 12VPurpose: For Aquarium Cooling Fan Weight: Approx. 680g / 24.0oz .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x AquariumCoolingFan2 x Fixing Screws1 x Plug