Features:·Thesystemwillcloseallthewindowsautomaticallyandimmediatelyafteryouclosethecardoor,incaseofforgettingclosingthewindowswhenyouleavethecar.·Positiveandnegativetriggeredsystem.·2windowstypeand4windowstypeavailable.Specification:Workingvoltage:DC12V10%Workingcurrency: 100mALoadcurrent:10AMaxcurrent:20AControlcurrent:12A(adjustable)