Ionization Smoke & Carbon Monoxide Combination Alarm, Battery Operated/Hardwired

• Ionization smoke sensing technology
• Electrochemical CO sensor
• Latching alarm indicator: remembers which unit initiated an alarm
• End-of-life CO signal
• Single test/silence button
• 10-Year limited warranty

Specifications:
Power Source: Battery Operated/Hardwired
Manufacturer's Warranty: 10 Years