Smoke alarms have cut the risk of fire fatalities by 50 percent. Yet, many more people die because they have not properly installed or maintained their smoke alarms. Combining state of the art graphics and illustrative scenarios, this live action video explains the importance of smoke detectors and gives up-to-date information on their use. "Smoke Alarms: Sound Protection" details how each type of alarm detects smoke and fire, and it offers advice on battery-operated alarms versus hard-wired systems to help viewers make the best choice for their home, apartment, or business.