Charateristics: 1) Infrared warm up function 2) Nice performance design, suit for using on car 3)Five high frequency massage kneed head 4)Controlled by micro-computer with five optional massage manipulation 5)The massage force and rhythm can be adjusted 6) Use 12V power supply ensure safe and reliable operation 7) Equipped with transformer, convenient for using any time in the office, at home, or in automobile 8) Equipped with plug used on car, easy for using on car Packing detail: Product Dimensions: 510mm*1080mm Color Box Dimensions: 480*125*430mm Net Weight: 1.96kg/pcs