[Lightning Deal] Portable Carbon Monoxide Detector, Large Color Screen CO Detector, High Precision 3 in 1 Air Quality Monitor

1. How to turn on the power
Hold down the power button and the first test will take about 35 seconds to stabilize.
After that,the results of the test will be displayed on the display.

2. How to turn off the power
You can turn off the power by pressing and holding the power button.

3. How to adjust the screen brightness
Press the M KEY to switch the third gear screen brightness.

4. How to switch between Celsius and Fahrenheit
Press the power button to switch between Celsius and Fahrenheit.

5. How to close the warning
Press the salert to alert the key.
ON
OFF

Specifications:
Item name: CO Detector
Color: Blue and white
Material: ABS+PC
Screen type: Ultra High Definition TFT color screen
Brightness: Adjustable
Display mode: 1.9in ultra-high-definition color screen.
0~50ppm (green/safe),
51~100ppm (yellow/needs attention),
101~200ppm (orange/warning),
201~1000ppm (red/dangerous).

CO PPM:50-100,the warning sounds 3 times per 3 minutes;
CO PPM:101-200,the warning sounds 5 times per 3 minutes;
CO PPM>200,the warning sounds 10 times per 1 minutes;
If the detector brokess,the warning sounds 10 times per 30 seconds,screen shows 9999.

Resolution: IPS 240*280
Preparation time: About 35 seconds
Data refresh frequency: 2 seconds
3 in 1: CO concentration/Humidity/Temperature detection
CO detection range: 0 to 1000PPM (±10PPM or ±5%)
Temperature range: -10℃ to 50℃(±1°C)/ -14°F to 122 °F(±2°F)
Celsius and Fahrenheit: Switchable
Humidity detection range: 0-95%RH (±2%RH)
Battery capacity: 1000mAH, with power indicator
Battery model: 803040
Charging interface: USB Type-C
Working voltage: 5V
Use time: About 14 hours (depends on screen adjustment)
Item size: Approx.85*51*17mm/3.34*1.99*0.66in
Item weight: About 75g/2.04oz

Package Included:
1* CO Detector
1*USB Data Cable
1* User Manual(English)