LiftMaster 821LMC-S Smart Garage Control, Universal

Convert an existing opener into a secure, remotely managed access point with the LiftMaster 821LMC-S Smart Garage Control. This garage door controller delivers reliable remote access via the myQ app—allowing technicians, property managers and homeowners to monitor door status, receive real-time alerts, and operate the door from anywhere. The 821LMC-S ships with a door sensor and is universally compatible with most garage door openers manufactured after 1993 that have standard safety sensors, making it an economical upgrade for legacy equipment. Expandability is built in: control up to 16 myQ smart devices such as LED lights and light controls to improve surveillance visibility and integrate monitoring into your security workflows. Professional features like scheduled close, guest access management, and support for Key by Amazon In-Garage Delivery add convenience and operational flexibility. Quick Bluetooth pairing and a simple physical install mean less time onsite and faster deployment. Ideal for contractors, multi-family property managers, and smart-home integrators seeking greater security, automation and remote monitoring—add the 821LMC-S to your specification or order today to start protecting and monitoring your garage.

• Remote myQ control and real-time alerts let you monitor and operate the garage from anywhere for improved security and peace of mind.
• Universal compatibility with most garage door openers manufactured after 1993—modernize legacy systems without replacing your opener.
• Includes a door sensor and supports an additional sensor for a second door (sensor sold separately) to expand monitoring coverage.
• Scales to manage up to 16 myQ smart devices, including LED lights and light controls, for integrated home automation and surveillance-ready lighting.
• Enables Key by Amazon In-Garage Delivery for secure, contactless package drop-off—ideal for residential and commercial delivery workflows.
• Fast Bluetooth setup, daily scheduling, and guest access features simplify installation, user management, and routine operation for installers and property managers.