Combination fire alarm automatically activates when it is attached to the mounting bracket
Test-Hush Button makes testing the detector or silencing false alarms easy (false alarms may occur from routine cooking, shower steam, dust or humidity)
UL certified and comes with a 10-year limited warranty from the manufacturer, applicable solely to the alarm (not for battery-related performance). The warranty period starts when the alarm is activated. If the activation date cannot be determined, it should be assumed that a replacement is necessary.
Photoelectric sensor technology senses visible fire particles, while a electrochemical sensor detects CO gas
Operates on a 10-year lithium battery, eliminating the need for battery replacement, while providing reliable detection during a power failure
2 units in 1: unit alerts you to smoke & carbon monoxide by sounding a loud, 85-decibel alarm & sounding voice alerts
Voice Alarm & an 85-decibel alarm announces a hazard when detected: “Fire!” = smoke or fire or “Warning Carbon Monoxide” = CO gas, or "Replace Alarm" when the alarm has reached its end of life span