If you answer OK, he would communicate with the company, they come to install anti-theft alarm system. They do not charge during the three-year period that they guarantee.
If you answer OK, he would contact the company that they come equipped with alarm systems. They did not charge during a period of three years, they guarantee.
If you answered OK he will contact with the company they install burglar alarm system. They do not charge during the period of three years they guarantee.