Features: 180mm double Ball Bearing 12V Cooling Fan with 5.5x2.1mm Connector 12V exhaust fan ensures extended life and stable performances. Delivers 53CFM airflow at 1800RPM for efficient heat dissipation and low noise operation. thin 25mm profile design features a 5.5x2.1mm female connector (center positive) and compatibility with solar panel or 12V adapters for versatile power solution. Ideal for PC builders, server operators, and DIY enthusiasts reliabled cooling for routers, set top boxes, or small electronics requiring 180mm case fans. Perfect as a chassis fan for CPU cooling kitchen exhaust systems, bathroom ventilation, or pet enclosure air circulation. Specifications: Size: Approximately 18x18x2.5cm/7.09x7.09x0.98in Wire length: about 21cm/ 8.27in Bearing: Double ball bearing Voltage: 12V Current: 0.28A Speed: 1800RPM Air : 53CFM Package Includes: 1PC 18cm 12V cooling fan note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.