suitable with 5V USB power sources including solar panel and adapters , this multifunctional fan delivers quiet yet stable airflows management for both industrial and household ventilation needs Essential for craft hobbyists , printing enthusiasts , and electronics professional requiring workspaces ventilation or equipment cooling solution powerful ventilation with this 12cm USB powered exhaust fan featuring 3 speed settings ( up to 1500RPM ) and 70CFM airflows , ideal for efficient extraction and air circulations in delicate spaces Optimize air in recreational vehicles , bathrooms , greenhouses , pet houses , or soldering stations by quickly fumes , odors , and excesses heat through its directional pipe exhaust systems Crafted with sturdy ABS and a detachable meshes guard , this portable blower fan flexible installation using 120mm ducts and 8 screws , designed for easy cleaning and long term reliability, Manufacturer: XAGMODSHN