Specifications: 1. High-efficiency PTC ceramic heating body, 3 seconds rapid heating, iron mouth core out of the wind quickly warm hands and body2. Driving does not block the line of sight, small does not take up space, flexible installation, applicable to multiple locations in the car3. Cooling and heating dual-use control at will, infinitely adjustable temperature, hot , natural wind two temperature options to easily respond to different temperature climate4. Concentration of energy through the flow, wide-angle heating, enhance the static pressure of the , to enhance the distance and heating effect.Product name: car cooling fan supply interface: -USBOperating voltage: 5VOperating circuit: 1AOperating : 5WRated voltage: 12VRated : 150WTemperature selection: natural wind, warm wind cord length: 1.4mMaterial: ABScolour: blackPackage Contents:1 x Car HeaterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.