Smoke & Carbon Monoxide Alarm with Digital LCD Display, AEGISLINK Wireless Interlinked Smoke and CO Detector, 10-Year Battery Life, Transmission Range over 250 m, SC-RF200 (RF Interlinked), 3-Pack

This combination smoke and carbon monoxide detector (RF interlinked) comes with a 10-year lifespan to keep you and your family safe and protected for a decade

These wireless detectors can be linked together using RF (radio frequency) technology, to ensure that if one detector is triggered by smoke or CO, all devices in the system will sound an alarm

Build a complete home safety network with up to 24 AEGISLINK wireless interlinked alarms to protect your entire home, even in a multi-story house

This 2-in-1 combination smoke and carbon monoxide alarm with dual sensors delivers accurate smoke and CO detection, allowing you more time to escape

Press the test/silence button on one of the interlinked system, and the test of all the detectors will be completed without the need for testing them one by one