Chamberlain garage door openers are strong, durable and made by the world's largest manufacturer of garage door openers. With more than 40-years of experience Chamberlain has revolutionized the industry and played a vital role in taking the garage door opener from a nice-to-have "extra" to a home convenience necessity. Each model offers the ultimate in safety and security features and is available with innovative accessories designed to make home access even more convenient. Installation of our models is also fast and easy because each is equipped with our quick-install rail system and easy to follow step-by-step instructions.