Voltage: 12vDouble choices of trigger signal Easy wire connection typeOwn safe modeWhen ACC off, lock the door, the windows will be closed  automatically one by one: left front, right front, left back, and right back windowWhen the power windows are activated, it can't  be  stopped  by  any other movesWhen the power window is  rolling up, if there  is  any resistance in  the window,it will stop  immediatelyIt will  keep  rolling up continuously  till  the other windows closed You  have  double  choices  of  trigger  signal  type, the  positive and  the negtiveWarranty: one  year

WI-02 auto windows closing