Features: Achieve accurate speed and volume adjustment for your vehicle's blower fan using this ABS regulator. Maintain stable temperature and humidity levels without the need for wiring. Made from durable materials, this blower fan regulator ensures reliability. Its adjustable knob allows for easy operation, effectively reducing noise and energy consumption. Suitable for automotive technicians, car enthusiasts, and vehicle modifiers who require efficient blower fan control for their specific car models. Perfect for automotive repair shops, car modification stores, and personal garages where precise adjustment of blower fan speed and volume is essential. Keep your vehicle running smoothly in any climate condition. Upgrade your vehicle's blower fan system with this versatile regulator. Enjoy a comfortable driving experience with stable temperature and humidity levels while minimizing noise and energy consumption. Specifications: Material:ABS Size: Approx.70x90mm/2.75x3.54inch Type: without wiring harness/with wiring harness Part Number:77364061 6450XR 55702407 13248240 6436C4 Package Includes: 1x Electric Fan Resistor note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.