Wire-Free Interconnected Battery Powered Combination Smoke and Carbon Monoxide Alarm P4010DCSCO-W

10-Year Sealed Lithium Battery: eliminates late night battery chirp Supervised Wire-Free Interconnect: Proprietary radio signal joins multiple alarms together, so when one alarm sounds they all sound. User is alerted if an alarm loses connection to the network. Compatible with RemoteLync Bridge: Connect to the Kidde app for additional features and benefits. Alarm Locate Feature: Quickly find initiating alarm by silencing other alarms in the network. Intelligent Sensor Technology: Reduces nuisance alarms and offers fast response to real fires.  The P4010DCSCO-W is a 10-year, sealed battery smoke and carbon monoxide (CO) alarm that features supervised wire-free interconnect capability and provides enhanced intelligibility for users. The voice warning feature accompanies the 85dB tone during an alarm event, and helps reduce confusion with verbal announcements such as ÀœReplace alarmÀ at end of alarm life, and ÀœHush mode activatedÀ when a nuisance alarm is silenced. The three color LED ring helps users quickly determine standby, alarm, or error mode of the alarm.