GRI DM-1 Garage Door Monitor

Keep garage openings secure and monitored with the George Risk Industries DM-1 garage door monitor. Designed for both residential and commercial applications, the DM-1 provides automatic, scheduled closing (selectable 3, 15, 30 or 60-minute delays) to prevent doors being left open and reduce security and safety risk. A built-in sounder alerts occupants before the door closes, while an alarm-panel relay reports attempted closures that were obstructed—ideal for integrating with existing security or surveillance systems.

The DM-1 ships as a complete magnetic contact-style monitor kit with a power supply, 29A wide gap switch, 50 feet of wire and mounting hardware for quick installation using basic hand tools. Its compact footprint (4.99" x 3.4" x 0.75") fits most door operators and brackets. Use the hold function to keep the door open during loading, or program the unit to automatically close at the same time each day to enforce access control policies. Enhance your perimeter security and monitoring strategy—install the George Risk DM-1 to add reliable garage door supervision and reduce exposure to theft, vandalism, and liability.

• Automatically secures unattended garage doors with a selectable 3, 15, 30 or 60 minute auto-close delay to reduce theft and liability
• Schedule daily auto-closing to enforce consistent access control and simplify operations for residential or commercial sites
• Audible sounder warns occupants before door closure and a relay contact signals your alarm panel if an obstruction prevents closing
• Hold function lets you temporarily keep the door open for deliveries or maintenance while preserving monitoring capabilities
• Complete kit includes power supply, 29A wide gap switch and 50 ft. wire for fast, low-voltage installation—no special tools required