Carbon Monoxide Gas Detection,CO Detector Alarm LCD Portable Security Gas CO Monitor,Battery Powered,Alarm Clock Warning (9V Battery not Included) (UL2034);

GS811-A CO Detector 

【Features】 

1.Loud 85 decibel alarm  

2.Backlit display  

3.Alarm memory feature 

4.Low battery indicator  

5.Test/Reset button  

6.End of unit life warning  

7.Power saving feature  

8.Easy installation  

【Specifications】 

Sensor: electronic chemical co sensor  

Alarm tone: 85 decibels   

Display: LCD blue back light digital display  

Low power alarm: a "built" every 30 seconds is a clue  

Power supply: 1 9V batteries (not included)  

Standby Current:<50Ua(withoutLCD); <200uA(with LCD); 

Alarm Current:<75mA;  

Operation Ambient Condition:5~40,20~90% R.H.  

【Alarm standard】  

50ppm, alert within 60 to 90 minutes;   

100ppm, alert within 10 to 40 minutes;   

300ppm, alert within 3 minutes.   

【Note】 

1. This carbon monoxide alarm is designed to detect carbon monoxide gas. It is Not designed for Smoke detection or ANY Other GAS detection.  

2. Before installing the Carbon Monoxide Detector, the batteries must be removed, stripped of their plastic jackets and then reinserted in the Carbon Monoxide Detector.