Features1. 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.SpecificationMaterial: PlasticColor: BlackSize: 9 x 9 x 3 cm, Fan diameter: 97 mmWeight: 350 gVoltage: DC 12VCurrent: 1.88ARevolutions: 4700RPMConductor: total length 250mm 2pinPackage Include:1 Blower 1 Variable Speed Controller1 Air Duct",