Bellman Visit Contact Mat BE9026NOTE: This product is available for government and federal agencies ONLY This contact mat is used together with the telephone transmitter (required) to notify you when someone gets out of bed or enters leaves a room. When you step on it, the telephone transmitter signals your Visit receiver that alerts you with sound, flashes or vibrations (depending on your receiver). Specs Dimensions: 21. 3" x 15. 6" x 0. 2" Weight: 9oz Connection: 3. 5mm Mono Cable