Dual voltage adapter: supports 24V (large trucks) and 12V voltages, strong compatibility, no additional converter required, plug and play. Efficient cooling and cooling: adopts powerful turbo fan design, quickly circulates the air in the car, and is equipped with a cooling module (some models), making driving cooler and more comfortable in summer. Multi-interface power supply: equipped with USB interface and cigarette light plug, adapted to different car power supplies, and can also be connected to power banks or mobile phone chargers for use, flexible and portable. Adjustable air volume angle: 3-speed wind speed adjustment to meet different needs; 360° rotating head, directional air supply, covering the driver's seat or back row area. Silent safety design: low-noise motor, no disturbance while driving; built-in overheating protection circuit, no heat after long-term use, ensuring vehicle circuit safety. [Product name]: Car single-head fan [Product model]: R-8039 [Product size]: 124*12*75mm [Product material]: ABS [Product color]: black, blue, green [Input voltage]: 5V (USB interface) [Input current]: 1A [Product power]: 5W (±20%) [Product net weight]: about 280g [Product gross weight]: about 306g with cowhide box [Product packaging]: cowhide box packaging [Color box size]: 14*9*17.5cm [Outer box size]: 45*37*57 cm [Outer box quantity]: 40pcs/ctn [Whole box weight]: N.W12.8kg/G.W:14kg [Suitable vehicle model]: Basic general type [Product features]: 3-speed speed regulation, single-head shaking head, low noise, long life