Universal Garage Door Monitor
Weight: 0.6625 lbs.
Dimensions: 9" L x 8.75" W x 3.5" H
· Works with all brands of access systems
· Indicates if garage door is open or closed
· Fast, easy installation—no tools needed
· Signals from any room in the home
· Includes sensor, indoor receiver, AC adapter, lithium battery & double-sided fastening strip