[V4191]Combination Smoke and CO Detector with Battery Operated-(Pure text review)
Precise Detection: Features built-in photoelectric smoke sensors and electrochemical CO sensors, ideal for enclosed spaces like bedrooms or rental units.
LCD Display: The screen issues a warning when readings approach security thresholds, offering greater predictive capability than traditional alarm-only detectors.
High-Decibel Alert: Emits sound at 85 decibels or higher when hazardous concentrations are detected.
Simple Operation: One-touch test function allows instant verification of device functionality. Mute button temporarily silences false alarms.
Compact and Portable: The unit fits in the palm of your hand, requires no complicated installation, and is suitable for mounting on walls or ceilings.


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