Universal for car, sedan, trucks and more. Fashion, dual use of home and car, 2 gear adjsutable. You can place it on your car dashboard or seats, easy to install, anti shedding and stable. 360 degree rotation, up, down, left and right, and can be adjusted according to your need. Three PTC ceramic heaters are used inside, with safe and uniform thermostatic-heating function and 150W high power. Support Voltage:12V for Car, 24V for Trucks Working Power:150W Volt:12V/24V Product name:Vehicle multifunctional seat back fan USB cable length:140cm Scope of application:suitable for models with headrest rods Product features:3 wind speed adjustable Power supply interface:USB Working voltage:5V Working circuit:1A Colour:Yellow Material:ABS Package Contents: 1 x Car seat back fan Only 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.