• A perfect item for protecting your family from the dangers of carbon monoxide
• *This alarm is highly recommended to be mounted on a wall surface
• *Advanced level of protection, easy to read with the digital display, even in low light conditions
• *Displays the level of carbon monoxide the unit is sensing
• *Green LED: Flashes every 30 seconds to indicate the unit is operating properly. The green LED will also flash before CO reading is taken and when any button is pressed.
• *Red LED : When a dangerous level of carbon monoxide is detected the red LED will pulse and a loud alarm pattern will sound. The carbon monoxide alarm pattern is 4 short beeps, followed by 5 seconds of silence, followed by 4 short beeps with a corresponding red LED flash. This cycle will continue for 4 minutes and then change to 1 cycle every minute until the device is reset or the CO is eliminated.
• *Test/Reset button is designed for weekly testing if it works properly
• and reset the unit during CO alarm
• *Alerts users when batteries needs to be replaced
• *Compact, lightweight & easy to operate
• *Chirp every 30s with green LED out and Err on LCD
• *Power consumption: 0.3mW
• *Size: 100mm*100mm*35cm
• *Powered By: 3 x AA Batteries (Not included)

Parameters:

• Within 10~40 minutes at 100ppm CO concentration;
• Within 3 minutes at 300ppm CO concentration
• Audibility: 85dB ( at 1m distance ), Frequency 3-0.5KHZ
• Standby Mode: Green Led flashes once every 30 seconds
• Alarm Mode : Red Led quickly flashes 4 times with unit chirping every 5 seconds, then repeat,
• Low-bat Indicator:Chirp every 30s as battery lower than 3.3V with green LED flashing and Lb on LCD
• Within 60~90 minutes at 50ppm CO concentration;
• Standby Current: <50A
• Alarm Current: <50mA
• LCD Displayer (optional): 4 digits LCD displayer