High Accuracy & Reliability: Features An Advanced Electrochemical Carbon Monoxide Sensor That Accurately Detects Real-Time CO Levels.
Instant Alert: When Carbon Monoxide Levels Rise To Alarm Thresholds, The CO Sensor Detects The CO, The Red LED Will Flash, The LCD Blue Backlight Will Light Up, And An Early Warning Will Be Delivered Through A Loud 85-Decibel Alarm.
Self-Test Function And Informative LCD: The Unit Will Sound A "Chirp" And The Red LED Will Flash Once Upon Power-Up, And "888" Will Appear On The LCD. When Pressing The Test Button, The Unit Will Sound Beeps With Red LED Flashes. The Display Shows Real-Time CO Levels And Remembers Dangerous CO Levels Since The Last Reset. "Err" On The LCD Indicates The Unit Is Malfunctioning. "Lb" On The LCD Indicates Low Battery And The Need For Replacement. "000" Displays On The LCD For 3 Seconds Before Entering Normal Operation Mode.
What's in the box
2 x Carbon Monoxide Alarm
