LCD CO Sensor Work alone Built-in 85dB siren sound Independent Carbon Monoxide

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Price:
$15
Stock:
In stock (19898 units), ready to be shipped

Product Description:

Sensitivity/Alarm Time:

Within 60~90 minutes at 50ppm CO concentration;

Within 10~40 minutes at 100ppm CO concentration;

Within 3 minutes at 300ppm CO concentration

LCD Displayer (optional): 4 digits LCD displayer

Audibility: 85dB ( at 1m distance ), Frequency 3 - 0.5KHZ

Standby Current: <50μA

Alarm Current: <50mA

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

 

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