The Adjustable Speed Blower has a low profile design which makes it perfect for limited clearance spaces. With a 4v to 12v variable speed controller, you can set the optimal noise and airflow levels for various applications and noise environments. The fan can be powered through an AC outlet and comes with a long power adapter. The 9733 blower has a diameter of 97mm and a speed of 4700RPM, making it suitable for car seats, AV cabinets, wood stoves, outdoor BBQs, and more. Overall, the Portable DC 12V Fan is durable, efficient, and easy to install, making it ideal for any cooling or ventilation needs you may have. Features 1. LOW PROFILE DESIGN: 97mm blower is suitable for projects that requires cooling or ventilation with limited clearance; widely used in car seat, AV cabinet, wood stove, outdoor bbq and more 2. ADJUSTABLE SPEED: With 4v to 12v variable speed controller enables setting the fans speed to optimal noise and airflow levels for various applications and noise environments. 3. PLUG & PLAY: The power adapter input 100V to 240V AC; enables the fan to be powered through an AC outlet; the long power adapter enough meet your demands. 4. The power adapter input 100V to 240V AC; enables the fan to be powered through an AC outlet; The long power adapter enough meet your demands. 5. PRODUCT DETAIL: 9733 BLOWER: 9 x 9 x 3.3 cm, Voltage: 12V DC | Current: 1.88A, Speed: 4700RPM. Specification Material: Plastic Color: Black Size: 9 x 9 x 3 cm, Fan diameter: 97 mm Weight: 350 g Voltage: DC 12V Current: 1.88A Revolutions: 4700RPM Conductor: total length 250mm 2pin Package Include: 1 Blower 1 Variable Speed Controller 1 Air Duct