First Alert SC0501CN-3ST OneLink™ Enabled Smoke & Carbon Monoxide Alarm

First Alert(R) SCO501CN-3ST ONELINK Battery-Operated Combination Smoke & Carbon Monoxide Alarm with Voice Location Photoelectric sensor Wireless RF interconnect Reduces nuisance alarms Eco-friendly Uses electrochemical carbon monoxide sensor Easy-to-use mute button EZ-access battery door Voice location announces where fire or CO is located Includes 2 AA batteries This product is intended for non-professional, DIY installation. If information is needed about a professionally installed & monitored system, please contact First Alert(R) Professional at 1-800-921-6025. First Alert(R) Professional is not affiliated with BRK Brands, Inc. Photoelectric sensor Wireless RF interconnect Reduces nuisance alarms Eco-friendly Uses electrochemical carbon monoxide sensor Easy-to-use mute button EZ-access battery door Voice location announces where fire or CO is located Includes 2 AA batteries This product is intended for non-professional, DIY installation. If information is needed about a professionally installed & monitored system, please contact First Alert(R) Professional at 1-800-921-6025. First Alert(R) Professional is not affiliated with BRK Brands, Inc.