12 V DC No more getting out of bed and stumbling downstairs to check if the garage door is closed. The Chamberlain Garage Door Monitor tells you if your garage door is open or closed from any room in your home. That's convenient, dependable security - and peace-of-mind - for the largest door to your home. CLDM1 CLDM1 Garage Door Monitor Chamberlain Flashing LED Lithium Security Alarm The Chamberlain Group, Inc www. chamberlain.com
| | Chamberlain CLDM1 Clicker Garage Door Monitor |  | 21.99 |  |