Smoke and Carbon Monoxide Alarm Listener

Gain peace of mind and enhance your home safety measures with the eufy Security Smoke and Carbon Monoxide Alarm Listener. An ideal complement to your current smoke or carbon monoxide alarms, it detects when an alarm sounds to promptly send a notification to your mobile device through the user-friendly eufy App. Compatible with all standard T3 and T4 smoke alarms, it also seamlessly integrates with HomeBase S380 and S280 models (sold separately). In a potential emergency, it not only sends you a notification but can also trigger an audible alarm through HomeBase. Whether you're away for the day or in another part of your home, you'll have the reassurance that the Alarm Listener is on watch. eufy Security Smoke and Carbon Monoxide Alarm Listener alerts you when an existing smoke or carbon monoxide detector sounds their alarm. This device does not detect fire, smoke, or carbon monoxide and is intended to work with UL listed smoke and CO detectors that are less than 10 years old. Connects to HomeBase for immediate notifications and battery status checks using the eufy Security app. Easy to set up without the need for tools or professional installation. Requires Homebase to operate and is compatible with HomeBase S380 and S280. Battery life of up to 2 years. Battery are replaceable.