What are the best smart smoke detectors with voice control integration?

This hardwired 2-in-1 detector provides photoelectric smoke detection and electrochemical carbon monoxide detection, with a sealed 10-year lithium battery backup. Wi-Fi connectivity enables mobile alerts through the Kidde app, while voice alarms and compatibility with Google Home and Amazon Alexa make it suitable for connected homes.

The First Alert SMCO210 is a slim, battery-powered combination alarm with photoelectric smoke sensing and electrochemical carbon monoxide detection. Its sealed 10-year lithium battery and 85 dB alarm suit homeowners and renters seeking low-maintenance protection against smoke and CO.

This 2-in-1 hardwired alarm detects both smoke and carbon monoxide and can send alerts through the First Alert app. It provides voice alerts with Heads-Up warning and supports hardwired interconnectivity so compatible alarms sound together. It is designed to reduce nuisance alarms using Precision Detection technology.

This hardwired detector provides smoke and carbon monoxide detection, voice alerts, real-time notifications through the Kidde app, and backup power from two AA batteries. It suits homeowners who want connected residential protection with Alexa and Google Home compatibility.

This hardwired smart smoke detector uses a photoelectric sensor, Wi-Fi connectivity, voice alerts, and a 10-year sealed lithium battery backup. It suits homeowners who want remote mobile notifications and whole-home interconnection without manually replacing the backup battery.

The First Alert SC5 is a battery-powered smart alarm that detects smoke and carbon monoxide, sends mobile alerts, and provides voice warnings identifying the type and location of danger. It suits households replacing Google Nest Protect or wanting app-based monitoring, wireless interconnectivity, and replaceable lithium batteries.

The X-Sense XS01-WX is a photoelectric smart smoke alarm with direct 2.4 GHz Wi-Fi connectivity and app notifications for alarms, faults, and low battery warnings. It uses a replaceable CR123A lithium battery and is suited to homeowners who want remote smoke alerts without a base station.

The Google Nest Protect 2nd Generation is a smart smoke and carbon monoxide alarm with a split-spectrum smoke sensor, spoken alerts that identify the type and location of danger, smartphone notifications, automatic self-testing, and a pathlight. It suits households that want voice-guided warnings and remote monitoring, particularly those using Google Nest products.