This USB Portable Office Computer Accessories Blower is made of durable black plastic and is suitable for projects with limited clearance. It features an adjustable speed controller for optimal noise and airflow levels. The blower has a low profile design and can be used in car seats, AV cabinets, wood stoves, outdoor bbq, and more. Its size is 9 x 9 x 3.3 cm, operates at a voltage of 12V DC with a current of 1.88A, and has a speed of 4700RPM. Included in the package is the blower, a variable speed controller, and an air duct. 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