Features: Experience cooling with 120mm USB Quiet Cabinets Cooling Fan Systems, featuring adjustable thermostat control ranging from 0 60℃, perfect for maintaining temperatures in your AV cabinets and home theater setups. with high end machined aluminum frame and sleek black metal grille, this fan not only enhances the aesthetic appeal of ensures durability and safety during operations. for enthusiasts and homeowners seekings efficient cooling, this fan systems for those who need to maintain conditions for their electronics and devices. Whether you're setting up home theater, managing an AV cabinet, or ensuring proper ventilation in a plant house or pet kennel, this fan systems adapts to various environments with ease. with its magnetic feet for easy placement and daisy chain capability allowing connection of up to four fans, this cooling systems offer both convenience and flexibility, making it accessory for individual. Specifications: Materials: Plastic Input: 5V 1A Airflow: 65CFM Power: 2.5W Single fan: 12x12x2.5cm/4.72x4.72x0.98inch Styles: 2 Fan, 1 Fan(optional) How to use: If the temperature exceeds 30 degrees Celsius, start working and stop working at 25 degrees Celsius. Set p0 to 30, p1 to 25, p2, p3 to 0, PO: Start temperature setting -50~110 degrees Celsius, P1: Stop temperature -50~110 degrees Celsius, P2: Temperature correction -10~10 degrees Celsius, P3: Delay starting for 0-10 minutes Package Includes: 1Set 12cm Cooling Fan note: Please allow 1-3cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item.