- The car door head has 6 wings that open in the center, with an aluminum or steel sill, and comes with a motor and inverter. - Sizes: JJ1000, JJ1100, JJ1200, JJ1300, JJ1400, JJ1500, JJ1600, JJ1650, JJ1700, JJ1800, JJ1900, JJ2000, JJ2100, JJ2200, JJ2300, JJ2400 - Origin: China