Features: brand new and high quality 5V version: If you want to use 2 USB ports to charge your phone, you need to use a 5V 3A or more USB car Charging.12V 24V version: 2 USB ports can directly charge mobile phones, tablets and other devices Base is safe and reliable, with strong glue pad at the bottom, designed for driving without fear of any bumps. Made of ABS environmental for protection materials, the wind force of the 3D curved fan blades, 360 degree circulation air supply, angle adjustment, tilting easy adjustment, cool everywhere. Small and light, easy to carry. Great choice for your car, truck, tent, RV, sleeper cab, SUV, ATV, delivery van etc. The safety grid prevents fingers from easily entering, more secure.Low noise and comfortable. Specifications: Material:ABS Voltage Specification:5v/12v/24v Size:Approx.31x16.5cm/12.2x6.5 inches Package Includes: 1x Car Fan 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.