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

First Alert Battery Powered Z-Wave Smoke Detector & Carbon Monoxide Alarm, Works with Ring Alarm Base Station, 2nd Generation

Govee WiFi Water Sensor 3 Pack, Water Leak Detector 100dB Adjustable Alarm and App Alerts, Leak and Drip Alert with Email, Wireless Detector for Home, Basement(Not Support 5G WiFi)

KeySmart Pro - Compact Smart Trackable Key Holder w LED Flashlight & Tile Bluetooth Key Finder Technology, EDC Key Organizer, Attach Car Key Fob, Other Mini Tools (up to 10 Keys, Black)

First Alert Battery Powered SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location

Ring Alarm Smoke & Co Listener

Ring Flood Freeze

Smart Home Energy Monitor with 16 50A Circuit Level Sensors | Vue - Real Time Electricity Monitor/Meter | Solar/Net Metering

Govee WiFi Water Sensor, 100dB Adjustable Audio Alarm and Smart App Alerts, Leak and Drip Alert with Email, Detector for Home, Basement(Not Support 5G WiFi)

YoLink Smart Home Starter Kit: Hub & Water Leak Sensor 4-Pack, SMS/Text, Email & Push Notifications, LoRa Up to 1/4 Mile Open-Air Range, w/Alexa, IFTTT, Home Assistant