Specification: Item Type: Aquarium Chillers Cooling Fan Material: Plastic, Aluminum Alloy Plug: US Plug Rated Input Voltage: 100-240V Rated Output Voltage: DC12V Features: 1. Elegant shape, beautiful and generous. 2. Hanging design, safe and stable. 3. DC12V DC power, safe and secure. 4. The coil is far from the water surface of the fish tank, will not cause a short circuit danger. 5. Free to adjust the wind speed, strong wind, according to the weather and indoor temperature, the temperature can be reduced by 2-4 degrees Celsius. 6. Reduce noise and free to adjust the angle. Package List: 1 x Aquarium Chillers Cooling Fan1 x Plastic Screw 1 x Plug or 1 x Aquarium Chillers Cooling Fan2 x Plastic Screw 1 x Plug