Download the Craftsman Garage Door app for new Craftsman Garage Door Openers with AssureLink™ Connectivity. Can’t remember if you closed your garage door? No need to worry… You can now use the Craftsman Garage Door app and your Android phone from anywhere to check if your garage door is open and then close it if necessary. Convenience. Security. Peace of mind. Works only with Craftsman Garage Door Opener models with AssureLink™ Connectivity. See Craftsman.com for details.With the Craftsman Garage Door app, you can:•CONVENIENTLY CHECK to see if your garage door is openor closed:- No need to drive back home after leaving for work, school, or vacation to make sure door is closed- No need to get out of bed to make sure door is closed•CLOSE the door if necessary.•OPEN the door from anywhere while you are away from home to provide unplanned garage / home access to a family member, friend, contractor, etc.•TURN ON/OFF LIGHTS- Requires Craftsman AssureLink™ Plug-in-Light Control (sold separately / not included with Craftsman AssureLink™ Garage Door Openers).