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Wondering if you closed your garage door?  Never wonder again!
Garage Door Monitor tells you if your garage door is open or closed

 Security for the largest door of your home

915LM Garage Door Monitor LiftMaster Chamberlain Sears Craftsman Raynor Wayne Dalton Genie Stanley Universal Garage Doors

Model 915LM    





Security for the largest door of your homeSecurity for the largest door of your home


  • Peace of mind knowing your garage door is closed
  • When light flashes red, door is open
  • When light is green, door is closed
  • Fast, easy installation.  No tools needed



  • Universally compatible with all garage doors
  • Receiver operates from anywhere in your house (50' - 100' range)
  • The receiver can monitor up to 4 doors, flashing a red light whenever any door is open.
  • 915LM includes - one garage door sensor, one receiver, one transformer, one 3V lithium battery, fastening strip and instructions.

Easy To Install:

  • Mount sensor to garage door with fastening strip (included).
  • Plug transformer cord into receiver.
  • Plug transformer into any standard household outlet.
  • Place receiver on table or countertop or mount on wall.



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We invite your inquiries regarding your garage door opener.

  • For technical and compatibility issues, we must know the brand and model of your opener to help
  • Be sure to include your complete and accurate email address with your inquiry
Name A value is required.
Email Address (accurate) A value is required.Invalid format.
Phone No.
Brand of Opener
Model Number of Opener
(located on motor head behind light bulb cover)
Model Number of Remote Control
(located on back of remote)
Model/Part Number of Current Receiver
(located on Receiver)
Enter Security Code

Comments: - Owned by 1st Garage Door Openers, Inc., an independent family owned and operated business serving the Garage Door and Garage Door Opener Industry since 1981. Providing excellent customer service and assistance for over 25 years. We are a discount reseller of garage door opener remotes, repair parts, keyless entry and gate operator controls for your home, business, or gated community. We carry parts for the following garage door openers: Lift-Master, Chamberlain, Sears Craftsman, Access Master, Sears Best Craftsman, Sears Automatic Door Opener, Master Mechanic, Security +, Formula 1, Garage Master, Billion Code, LiftMaster Professional, Estate Series, Premium Series, Contractor Series, Power Driver, Whisper Drive, Genie, Alliance, Norelco, Blue-Max, Lift-A-Door, Pro Max, Hercules, Stealth, Excelerator, Intellicode, Genie Pro, OverDrive, Python 2, Signature, Phantom, Legacy, Medallion, CodeDodger, Overhead Door, Genie Shop Vac, Stanley, Vemco, Quiet Glide, SecureCode, Lightmaker, Innovative Products, Whistler, U-Install, Popular Mechanics, Allister, Allstar, Pulsar, MVP, Challenger, GTO, All-O-Matic, Electrolift, Westinghouse, AM/11, Linear, Access Pro, Moore-O-Matic, MegaCode, Delta 3, MultiCode, Heddolf, ESP Micom, Intercontinental Dynamics, Crusader, Wayne Dalton, iDrive, Door Master, Quantum, Classic Drive, Tec Key, Martec, Monarch, Telectron and other garage door openers, and gate operators. Brand names of Garage Door openers are registered trade names of the respective entities and are only used for reference.