Best Smart Smoke Detector

First Alert Battery Operated Wireless Interconnect Smoke and Carbon Monoxide Alarm

First Alert 9120LBLA Hardwire Smoke Alarm with 10 Year Battery

Kidde Smoke Detector, Hardwired with Battery Backup & Interconnect, Battery Included

Combination Smoke and Carbon Monoxide Detector Alarm, 2-Pack Beeps Warning Smoke and CO Alarms for Basements Travel Home Office House Bedroom Living Room Car, Battery Operated, Comply with UL 217/2034

Google Nest Protect - Wired

First Alert SC9120BA Hardwire Combination Carbon Monoxide and Smoke Alarm

FIRST ALERT Smoke and CO Alarm, SC7010BA, White

Kidde 21026515 120V Hardwired Smoke and Carbon Monoxide Detector Alarm Lithium Battery

Ecoey Smoke Detector, Smoke Alarm with Advanced Photoelectric Technology, Fire Alarm Smoke Detector with Test Button and Low Battery Reminder, Fire Alarm Used in Bedroom, Home, FJ138, 1 Pack

Kidde P4010ACLEDSCOCA 120 VAC Integrated 3-in-1 LED Strobe and 10-Year Talking Smoke & CO Alarm