Usage Tips:Features: 1. Air blower fan with speed controller is suitable for projects that require cooling or ventilation with limited clearance and is widely used in car seats, AV cabinet, stove, outdoor BBQ, and more. 2. With the variable speed control enables setting the fans speed to optimal noise and airflow levels for various applications and noise environments. 3. The blower fan is to be powered through an AC outlet, the proper size of the power adapter is enough to meet your demands. 4. The brushless blower cooling fan is suitable for projects that require cooling or ventilation with limited clearance, or as a replacement fan for various products. 5. 12V, 1.4A, 520010% RPM, working life up to 50,000 hours at the ambient temperature of 30 degrees, superior cooling performances. Specification: Material: PBT Product Color: Black Package Size: 16 x 4 x 10cm Package Weight: 350g, 240g, 250g, 30g, 370g, 120g Hole Distance: 100MM Rated Voltage: DC 12V Rated Current: 1.4A Power Consumption: 15W Number of Revolutions: 520010%RPM Air Volume: 32CFM Bearings: Double Balls Bearings Noise: 58DBA Package Included: 1 Set x Air Blower Fan or 1 x Air Blower Fan or 1 x Round Duct