Universal Security Instruments AMIC3511SB Smoke, Fire & Carbon Monoxide Alarm

No, this unit features a 10-year sealed battery designed to last for the entire lifespan of the device. You will not need to replace the batteries at any point during its 10-year service life.

Multi-criteria sensing allows the alarm to distinguish between different types of threats, such as fast-flaming fires and slow-smoldering fires, while also monitoring for carbon monoxide. This technology is designed to improve accuracy and significantly reduce the frequency of false alarms caused by everyday activities like cooking.

The device is engineered to provide an end-of-service life warning signal once the 10-year period is complete. When you hear this specific alert, it is time to replace the entire unit to ensure your home remains protected.

Yes, this is a combination alarm. It is equipped to detect smoke, fire, and carbon monoxide, providing comprehensive protection in a single, compact device.

This model is strictly battery-operated. Because it uses a sealed, long-life battery, it does not require any electrical wiring, making installation straightforward and flexible for various locations in your home.