according to the market, our seasoned professionals adopt the advanced technology to design a well-connected suit of safeguard products which comine the remote control of electric lock with the closing of electric window, and can also integrate with the theftproof fuction. so it is highly secure and convenient, when you stop your beloved car, as long as you press the "lock"pushbutton, it can lock the door and close the windows seriatim in order automatically, therefor it can relieve your troubles of losing property or restarting the car to close windows, if you forget closing windows. this product drastically solves the problem that the remote electric lock and electric window can not operate at the same time; and overcomes the disadvantage that actual devices do not close the windows but only lock the door. in addition, it offers the connection-ora of ordinary theftproof fuction, if you outfit the led indicator light, electronic oscillatory sentor, annunciator etc., your beloved car is safe and intellectualized, and it is difficult for the effractors to steel it, so you need not worry and rest easy. all in all, it is your advisable choice!