We recommend you treat the placement of your Clover Device similar to a smoke detector. You will need one device per room/area, to ensure no matter where you are in your space you hear and see the alerts.
Clover Device, 12 Volt Power Supply with Battery Backup, Coaxial Adapter, and External Telescopic Antenna
The Clover device has the following specifications: - Dimensions: 3.25 inches in length, 3.75 inches in height, and 1.00 inch in width