Features: Manufactured according to human mechanic, the front is equipped with a large number of prototypes massage cylinders, with a built-in Vibrations starter, leaning against the waist, and has massage function, which is beneficial for humans blood circulations. Adopting a physical design to correct back posture and maintain lumbar relaxation during prolonged sitting. Connect the car DC12V power supply, and the Vibrations speed of the lumbar support can be freely adjusted with a wire controlled switches. The product is equipped with elastic straps that can be directly placed on the seats, making it convenient and fast to use. The cigarettes lighters cable is 1.5meters long and suitable for all vehicle models. Confirm that the installation position does not affect the drivers driving. Specifications: Material:PU Color:Redness,White Size:Approx.30cm/11.81''x34cm/13.38''x10cm/3.94'' Package Includes: 1x Electric Massager Pillow note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.