Best Nest Protect

Ring Alarm 14-Piece Kit - home security system with 30-day free Ring Protect Pro subscription

Google Nest Learning Thermostat - Programmable Smart Thermostat for Home - 3rd Generation- Works with Alexa - White

Kidde Carbon Monoxide Detector, Propane, Natural, Methane, & Explosive Gas Alarm, Plug-In Wall with 9-Volt Battery Backup, Digital LED Display

Kidde Carbon Monoxide Detector, Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable

X-Sense

X-Sense Smoke Detector, Wireless Interconnected Fire Alarm with 10-Year Battery Life and Transmission Range of Over 820 ft, SD20-W, Pack of 6

X-Sense

X-Sense Wireless Interconnected Combination Smoke and Carbon Monoxide Detector with LCD Display & 10-Year Battery, Over 820 ft Transmission Range, 6-Pack

Google Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide Detector - Battery Operated , White - S3000BWES

First Alert SMICO100-AC Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with Battery Backup, 1-Pack

X-Sense

X-Sense Smoke and Carbon Monoxide Detector Combo, Wireless Interconnected Combination Smoke and Carbon Monoxide Detector with 10-Year Battery, Up to 24 X-Sense Link+ Wireless Alarms, SC01-W, 3-Pack

AEGISLINK Smoke Carbon Monoxide Detector, Interlinked Combination Smoke CO Alarm, Battery Powered, Wireless Interconnected, Digital Display, SC-RF220, 6-Pack