Features: Works with all brands of access systems. Indicates if garage door is open or closed. Includes sensor, indoor receiver, AC adapter, lithium battery and double-sided fastening strip. Fast, easy installation - no tools needed. Signals from any room in the home.
| | Chamberlain CLDM1 Universal Garage Door Monitor |  | 30.99 |  |
 | Chamberlain Universal Garage Door Monitor |  | 26.67 | |
 | Chamberlain Garage Door Monitor CLDM1-02 |  | 28.39 | |
 | Chamberlain Cldm1 Universal Garage Door Monitor |  | 28.99 | |
 | Chamberlain Garage Door Monitor CLDM1-02 |  | 24.97 | |
 | Garage Door Monitor - Monitors & Intercoms |  | 20.34 | |
Chamberlain CLDM1 Garage Door Monitor |  | 18.99 | | |
 | CLDM1 Garage Door Monitor |  | 29.58 | |
 | Chamberlain Cldm1 Universal Garage Door Monitor |  | 23.83 | |
 | Chamberlain CLDM1 Universal Garage Door Monitor |  | 18.55 | |
 | Chamberlain CLDM1 Garage Door Monitor - Flashing LED |  | 20.06 | |
 | Chamberlain Universal Garage Door Monitor |  | 23.88 | |
 | CHAMBERLAIN UNIV GARAGE DOOR |  | 19.95 | |
 | Chamberlain CLDM1 Garage Door Monitor |  | 22.99 | |