120V Hardwire, Photo Smoke/CO combo with battery backup

• Combined Smoke & Carbon Monoxide Alarm
• Voice Warning – Announces the hazard type detected (in English and French).
• Photoelectric Technology – May detect visible fire particles (associated with slow smoldering fires) sooner than ionization alarms
• 120 V Interconnectable – Will interconnect with up to 24 other devices.
• 9 V Front-Loading Battery Backup – Change the battery without removing the unit from the ceiling.
• Multi-function One Button Design includes: - Test Feature – Simultaneously tests the unit’s electronics and verifies proper operation.
- Hush® Feature – Temporarily silences nuisance alarms for approximately 10 minutes
- Reset Feature – Resets the carbon monoxide alarm
• Alarm / Peak Level Memory – If alarm has detected a CO level of 100ppm or higher since it was last reset, the green LED will blink once every 16 seconds and a voice alarm will announce “Caution! Carbon Monoxide Previously Detected” if the Test / Reset button is pressed.
• Tamper Resistant – Deters removal of the unit from the wall or ceiling.