CHAMBERLAIN C2102 Chain Drive Garage Door Opener with Wireless Remote Control, Push Button Opener, Safety Sensors, Light, and Security Encryption Linking to your smartphone for easy control, the CHAMBERLAIN Chain Drive Garage Opener opens and closes your garage while offering plenty of features for a safer, securer home. Operating almost silently, the opener keeps your home quiet while easily opening and closing your garage door. A durable chain drive pulls up standard aluminum doors with a lift force of 1/2 horsepower for quick opening. Sensors mounted at the base of the door keep your family and vehicles safe by stopping the door from closing on those passing through. Connecting to your smartphone through the myQ app, monitor when the door is opened and closed, or close it yourself wherever you are. Security encryption stops unwanted access, making sure your garage stays safe even when you're away. The package includes the opener and chain, a remote control, a push-button door control, and safety sensors. Great for convenient garage access, the Chain Drive Garage Door Opener by CHAMBERLAIN offers modern convenience when controlling your garage door. Features Garage door opener allows for convenient access to your garage through remotes, a controller, or smartphone app Connects to your smartphone through the myQ app, allowing for easy monitoring and control from anywhere Provides strong lifting force, supporting standard aluminum doors with a force equivalent of 1/2 horsepower Protect people and vehicles with safety sensors that stop the door from closing on obstructions Package includes the opener and chain, a remote control, a push-button door control, and safety sensor kit USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.