BRK Smoke Alarm with Battery Backup and Voice Alerts, Alarm: Voice, Photoelectric Sensor, Battery Power Source, Dimensions: 5.1 in L x 5.1 in W x 2.4 in H, Suitable for: First Alert and BRK Alarms, Includes: Easy Adapter Plug and AA Batteries

Product Features

• Precision detection advanced sensing technology reduces cooking nuisance alarms and delivers early warning
• Voice and location alerts tell you the location of danger
• Latching alarm indicator visually identifies the unit that initiated the alarm or low battery
• Battery backup provides continuous protection during power outages
• Test/silence button allows for efficient testing and temporarily silences alarm for up to 8 hr
• Interconnects with most First Alert and BRK alarms so when one sounds, all compatible alarms sound to provide an early warning