Chamberlain MyQ Universal Smart Garage Door Opener Second Door Sensor MYQ-G0202; Works with Chamberlain MyQ Universal Smart Garage Door Opener (MYQ-G0201 ONLY) Monitor, open and close a second garage door with MyQ Garage (MYQ-G0201 - Sold Separately). PLEASE NOTE this in not compatible with MYQ-G0301. MyQ Garage Wi-Fi Hub (MYQ-G0201) is limited to two garage door openers. PLEASE NOTE this in not compatible with MYQ-G0301. Mounts to inside top panel of garage door opener and is added to MyQ account through the MyQ App. Install in minutes. Includes: door sensor, adhesive/screws for mounting and instructions for adding to your MyQ account.