Usage Tips:Dc Blower,powered Fan With Variable Speed Controller For Diy Cooling Ventilation Exha f26 Features: 1. 75mm blower is suitable for projects that require cooling or ventilation with limited clearance, widely used in car seat, AV cabinet, stove, outdoor BBQ and more. 2. With the variable speed controller enables setting the fans speed to optimal noise and airflow levels for various applications and noise environments. 3. The blower fan to be powered through an AC outlet, proper size of the power adapter enough meet your demands. 4. The brushless blower cooling fan is suitable for projects that requires cooling or ventilation with limited clearance, or as replacement fan for various products. 5. 75 x 75 x 30mm, 12V, 0.3A, 4000 RPM, 35.5 dBA, working life up to 50,000 hours at ambient temperature of 30 degrees, superior cooling performances. Specification: Material: ABS Color: Black Voltage: DC12V Current: 0.3A Speed: 4000 RPM Air Volume: 22 CFM Noise: 35.5 dBA Product Size: 75 x 75 x 30mm Product Weight: 270g Working Life: 50,000 Hours At Ambient Temperature of 30 Degrees Package Included: 1 x Air Blower Fan