Features: *Stable and Secure Connection:The fans in this cooling are connected by custom metal clips, ensuring stable and reliable . *Enhanced Protection:Both sides of the fan feature metal iron mesh and protective grills, effectively safeguarding the fan blades and keeping any foreign objects away from interfering. *Adjustable Speed Control:Equipped with a rotary switch power supply and a stepless speed controller, allowing you to easily adjust the fan speed according to your needs while ensuring full-scale security. *Wide Applications:Perfect for various devices such as Mining machines, cabinets, servers, computers, power amplifiers, mobile phone group brackets, weak current boxes, or any other device that requires efficient cooling. *Easy to Use:With its user-friendly design, this 12cm fan cooling is incredibly easy to install and operate, providing effective cooling solutions for your devices. Specifications: *Product Name:Fan Cooling with Controller *Material:PBT Plastic+Metal+Iron Mesh *Size:About 12*12*2.5 cm(1 Fan Size) *Color:Black *Voltage:12V *Current:0.25A *Air volume:81.02CFM *Speed:2700RPM *Noise Level:36.63DBA Package Content: 1 * Cooling Fan Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Stable and Secure Connection:The fans in this cooling are connected by custom metal clips, ensuring stable and reliable . Enhanced Protection:Both sides of the fan feature metal iron mesh and protective grills, effectively safeguarding the fan blades and keeping any foreign objects away from interfering. Adjustable Speed Control:Equipped with a rotary switch power supply and a stepless speed controller, allowing you to easily adjust the fan speed according to your needs while ensuring full-scale security. Wide Applications:Perfect for various devices such as Mining machines, cabinets, servers, computers, power amplifiers, mobile phone group brackets, weak current boxes, or any other device that requires efficient cooling. Easy to Use:With its user-friendly design, this 12cm fan cooling is incredibly easy to install and operate, providing effective cooling solutions for your devices.Specifications: