Google Carbon Monoxide & Smoke Detectors

Split-Spectrum Sensor/ Phone alerts (Low-Battery, Smoke And Carbon Monoxide, Sensor Failure)/ Voice Alarms With Custom Location/ Detects Carbon Monoxide/ Heads-Up Alerts/ Self Test/ Wireless Interconnect/ Built-In Wi-Fi/ White Finish

Split-Spectrum Sensor/ Phone Alerts (Low-Battery, Smoke And Carbon Monoxide, Sensor Failure)/ Voice Alarms With Custom Location/ Detects Carbon Monoxide/ Heads-Up Alerts/ Self Test/ Wireless Interconnect/ Built-In Wi-Fi/ 3 Pack/ White Finish

Split-Spectrum Sensor/ Phone alerts (Low-Battery, Smoke And Carbon Monoxide, Sensor Failure)/ Voice Alarms With Custom Location/ Detects Carbon Monoxide/ Heads-Up Alerts/ Self Test/ Wireless Interconnect/ Built-In Wi-Fi/ 120V AC Connector/ White Finish