“Did I closed the garage” No much more worrying.Open or shut your garage from anywhere. Control
a 2nd door with added sensing unit(marketed individually on this web page)System Requirements: a router with 2.4 ghz Wi-Fi regularity, router with 802.11 B/G/N, a
router within 50 feet of the Smart Garage Control(even more information in PDF customer handbook ). Have to have a sectional garage door.