Features 1. LOW PROFILE DESIGN: 97mm blower is ideal for projects needing cooling or ventilation in tight spaces; commonly utilized in car seats, AV cabinets, wood stoves, outdoor BBQs, and more. 2. ADJUSTABLE SPEED: The 4V to 12V variable speed controller allows you to adjust the fan speed for optimal noise and airflow levels for diverse applications and sound environments. 3. PLUG & PLAY: The power adapter supports input of 100V to 240V AC; this allows the fan to be powered from an AC outlet, and the long power adapter suffices for your needs. 4. 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, 2 pin Package Include: 1 Blower, 1 Variable Speed Controller, 1 Air Duct