First Alert 2-in-1 Z-Wave Wireless Smoke Detector & Carbon Monoxide Alarm, Battery Operated- 4 Pack

Help keep your family safe with this battery powered smoke and carbon monoxide detector alarm Unit uses wireless Z wave technology to send mobile alerts if the alarm goes off, so you are aware whether you're at home or away Certified to work with smart home systems such as ring alarm security system, Samsung Smart things, and Nexia Home Intelligence when connected to a Z wave gateway hub (sold separately; Consult hub manufacturer to ensure compatibility with this first alert device); Not compatible with wink or Onelink Photoelectric smoke sensor helps reduce false alarms caused by cooking or shower steam Electrochemical carbon monoxide sensor offers advanced detection technology Includes an 85 decibel horn, single test/silence button, side access to a tamper resistant battery door, and pins that lock the alarm to the mounting bracket