• Beijing Zetron Technology Co., Ltd
    Hello, I already used the equipment in an aluminum smelting plant in Mexico and I was surprised by the function of your company's laser device.
  • Beijing Zetron Technology Co., Ltd
    Good gas leak detection instrument !!! High accurate test values :D
Contact Person : Lisa Niu
Phone Number : +86 15699785629
Whatsapp : +8615699785629

AQI CO2 Indoor Air Quality Monitors Detector 3000mAh For Home App Monitoring

Place of Origin China
Brand Name Zetron
Certification CE/RoHS
Model Number DM72B
Minimum Order Quantity 1 set
Price USD 75/set -85/set
Packaging Details carton box : 272*200*70mm
Delivery Time 1-10 work days
Payment Terms T/T, Western Union, MoneyGram, D/P, D/A, L/C
Supply Ability 1000 SET / week

Contact me for free samples and coupons.

Whatsapp:0086 18588475571

Wechat: 0086 18588475571

Skype: sales10@aixton.com

If you have any concern, we provide 24-hour online help.

Product Details
Product Name Air Quality Monitor Function AQI
Type Tuya Smart Indoor Air Quality Monitor Display 4.3" LCD Screen Display
Certification CE/RoHS Detection Method Laser Scattering
Detection Temperature -10°C To 50°C Relative Humidity 20% - 85%
Power Source Lithium Battery With 3000 MAh Capacity Sampling Time 1.5 Seconds
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AQI Indoor Air Quality Monitors


3000mAh Indoor Air Quality Monitors


RoHS Air Quality Monitor Detector

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Product Description

DM72B Indoor CO2 Air Quality Detector




Air pollution is a major threat to human's body and it is important for you to know the quality of the air around you, not only for you, but also for the people you care about. This air quality detector with wifi can detect a wide range of harmful gases, for the beautiful life of you and your family, You should own it.


2021 Updated air quality detector with wifi has a built-in fan to quickly draw in ambient air to allow real-time measurements that can be viewed remotely. It incorporates a laser sensor to measure levels of dust particles and has a second electrochemical semiconductor sensor to test air quality including formaldehyde and natural/synthetic organic compound levels.And uses the high-performance computing chip, which can accurately detect the air quality of the surrounding environment.


Detection Principle NDIR/LASER
Sampling Time 1.5 seconds
Accuracy 3% of reading
Storage Temperature -10°C to 60°C
Effective Range 400--5000 ppm
Temperatuer Range -10°C to 50°C
Humidity Range 20% - 85%
Display 4.5 inch TFT Screen
Resolution 480*270
Battery Capacity 3000mAh
Standby Time 3--5 hours
Charging Time 3--5 hours
Size 7.09 x 6.69 x 3.54 inches
Weight 1.15 Pounds




  • Large LCD display to show date, clock, battery and more, including:CO2+PM1.0+PM2.5+PM10+TVOC+HCHO+Temperature+Humidity+AQI;
  • Customer Configurable Settings for Date, Time, Temperature, Calibration;
  • Visual alarm and 3-color code air quality indicator Green(Good), Yellow (Ok), Red (Poor);
  • NDIR CO2 sensor for fast, accurate and precise readings;
  • Built-in Data Logging Tables and Free Software for Analysis;
  • Clean, modern desktop design;
  • Powered by USB

Office Bedroom Smart Home Security System Indoor Air Quality Monitor 2




It is suitable for cars, baby rooms, homes, Offices and other densely staffed occasions, it is also suitable for greenhouses, breeding farms, etc.


AQI CO2 Indoor Air Quality Monitors Detector 3000mAh For Home App Monitoring 1




Q: What is your terms of payment ?
A:We accept trade assurance, western union ,Visa master card and tt.
Trade assurance can protect you, when you confirm the product then the money into my account.

Q: When do you reply to messages?
A: We will reply you for your inquiry in 24 hours.

Q: What is the warranty for your product ?
A: Warranty: 12 months, Lifetime maintenance

Q: When do you send the products? And how do you send it ?
A: For the small order, we will send out the goods with 5 days,If have stock ,we will send immediately.
We send them by ups, fedex, tnt or dhl. For big order, normal is 20 days will finish.

Q:Do you accept OEM or revised logo, color, model, size?
A:Yes, we accept OEM for the qualify buyer.We can make the products according to customer personal requirement.

Q: How about the quality of the managements ?
A: We have a complete quality control system , all of our products will be fully pre-inspection by QC departments before shipping to you . We have the certification of ISO,CE we could send the certification test of our company to you.

Q: How about your after-sale service?
A: After sending, we will track the products for you , until you get the products.
When you got the goods, test them, and give me a feedback.
If you have any questions about the problem, contact with us, we will offer the solve way for you.