... for 4 windows5.Can up/down windowFEATURES:1. It's suitable for Chevrolet Cruze, the CAN-BUS micro computer ... chip is from U.S.A.2. Connect with OBD detection socket of original car ... The host machine adopt buckle cover type design, it's water-proof,dust-proof and shock-proof.WARNING: 1 ... of the original car to refuse work, if such a situation occur, do not panic, about two hours ...