First Alert SC9120BA Hardwire Smoke & Carbon Monoxide Alarm

About this item

• 120-Volt hardwired smoke and carbon monoxide alarms wire directly into your electrical system
• Ionization smoke Sensor reliably detects particles from fast-flaming fires
• Electrochemical Sensor accurately detects carbon monoxide
• Each alarm can integrate with up to 18 compatible devices for extended coverage
• 120-Volt hardwired smoke and carbon monoxide alarms wire directly into your electrical system
• Ionization smoke Sensor reliably detects particles from fast-flaming fires
• Electrochemical Sensor accurately detects carbon monoxide
• Each alarm can integrate with up to 18 compatible devices for extended coverage
• Smoke Alarm