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Craftsman AssureLinkô DC Chain Drive Garage Door Opener
Away from home and canít remember if you closed the garage door? Ever accidentally left your garage door open? Want to open and close your garage door while working in the yard? Then the model #30437 Craftsman DC, chain drive model with the latest technology in garage door openers is the ideal choice. Plenty of features offer peace of mind, security, and convenience, including AssureLink internet-gateway technology (monitor and open the door via the internet*), timer-to-close (automatically closes the door), tri-frequency radio system (reduces interference and extends range of the remotes), and automatic force settings.