This product works with Honeywell/Ademco Alarm system to integrate 2 way voice functionality.
2 way voice is a feature that allow immeddiate direct voice connection between residence and dispatching facility.
Once an alarm is tripped this feature will allow the alarm agent to directly communicate with homeowner or police on scene with out the wasted time of a phone call.
Also allows for audible feedback for home owner and police and can be recorded for future use. IE if burglars are in your home, thier voices and much more info can be relayed to authorities or homeowner and can be used to incriminate.