It is universal suitable for the 2 front doors;rolling up 4 windows automatically; Windows can be closed automatically; Positive and negative trigger function;Positive and negative trigger function (option); Major chip in the system is stable and easy to use;It could match with car alarm to use when installation;Lock the car by remote locking and then close windows automatically;Double panel product by SMD technology,strong anti-vibration function;The dedicated harness and socket,it couldnot affect the fuction of original car.