Features: Five levels adjustment design enables precise temperature regulation for your fish habitat, with a 5 levels adjustable fan that suited to room condition, ensuring suitable living condition for warm water species and fish. Advanced low-noise motor technology ensures quiet functioning, making it suitable for both home and office , where it maintains a peaceful while effectively reducing habitats temperature. Wide angled air distribution cover the entire fish habitats, preventing uneven temperature zone and ensuring a stable environment, especially beneficial for large habitat. Safety America standard connector ensures secure and use without electrical concern, making it suitable for user in America. Easy to assemble structure allow quick installation, design for convenience and portability, perfect for both new and experienced fish habitat enthusiasts. Specifications: Component: Metal Product Size: Approx. 01 size 12.2x10cm/4.8x3.9inch, 02 size 2.1x10cm/8.2x3.9inch, 03 size 29.8x10cm/11.7x3.9inch, 04 size 38.5x10cm/15.1x3.9inch Type: 01/02/03/04 Voltaged: 110-240V Package Includes: 1 Set Fishtanks Cooling Fan note: Please allow 0-1cm error due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color the item.