The Liftmaster 8155 garage door opener is our most affordable Liftmaster belt drive opener. The 8155 is a great choice for those that want super quiet operation, yet do not need a battery back up. The model 8155 works great for most standard door applications. Choose from a number of great optional accessories including keychain remotes, and wireless keyless entry systems.Don’t be fooled by low grade home store models. The Liftmaster Professional line only includes high quality openers with one piece rail systems. See our Liftmaster Specials.