Description: Adjustable Settings: The Aquarium Cooling Fan allows you to adjust the temperature according to the needs of your fish tank. It features a remote control with eight adjustable wind speeds, allowing you to choose the wind force based on indoor temperature. The fan speed can be controlled with just a button and can be adjusted within a 0-180 degrees angle, catering to different aquarium needs. Material: The fan bracket is made from aluminum alloy, ensuring longer lifespan and stronger pressure resistance for the fan. Quality Material: This aquarium chiller cooling fan is made from quality pp material, known for its toughness and impact resistance, ensuring durability and long term use. Compact Size: This Fish Tank Cooling System Fan is compact enough to fit in various aquarium setups without taking up too much space. Package Includes: Each package comes with a Aquarium Cooling Fan (US version), making it easy for you to set up and start using right away. Size Chart:122mm100mm/4.80inchx3.94inch Package Includes: 1 Aquarium Chiller Note: Please allow slightly errors 1-2cm differences due to manual measurement.