• Air Quality Monitor
  • Descriptions:
  • 【Professional 4-in-1 Detection – HCHO, TVOC, Temp & Humidity】Equipped with a premium thick-film semiconductor sensor, this monitor delivers rapid and reliable readings for formaldehyde (HCHO: 0–3.333 mg/m³) and TVOC (0–9.999 mg/m³), plus simultaneous temperature (°C/°F) and humidity display. Sensitive to carbon monoxide, carbon dioxide, alcohol, and odors, it provides comprehensive protection against invisible indoor threats—perfect for homes, nurseries, offices, RVs, and basements
  • 【Intelligent 4-Level Alarm & Instant Health Index】No more guessing! The large backlit LCD clearly shows real-time readings alongside a 4-tier air quality indicator (Good / Slight / Unhealthy / Hazardous) based on WHO-recommended thresholds. The smart audible buzzer (with mute option) alerts you when HCHO exceeds 0.08 mg/m³ or TVOC passes 0.262 mg/m³, so you know exactly when to open windows or step out for fresh air
  • 【All-Day Battery Life & Flexible Auto-Off】Powered by a high-capacity 2000mAh lithium battery, this device runs up to 15 hours continuously with the backlight on, or 24 hours with backlight off—ideal for overnight monitoring. The auto-shutdown feature (default: 30-min screen-off, 2-hr full power-off) can be easily disabled via the menu for non-stop tracking. USB-C charging and a low-battery indicator keep you informed at all times
  • 【Smart Data Logging & Effortless Operation】Automatically records 96 data sets (one every 15 minutes) covering a full 24-hour cycle, with circular storage for long-term trend tracking. One-touch buttons let you recall max values, switch between °C/°F, and toggle backlight. Simply long-press (1s) to power on/off. Note: a 200-second warm-up in clean air is required for sensor calibration—perfect for quick, hassle-free daily use
  • 【Complete Kit & Reliable Support】Comes ready to use out of the box: monitor ×1, USB-C charging cable ×1, screwdriver ×1, and detailed manual ×1. (Note: storage bag not included.) Compact and lightweight (5.04 × 3.5 × 1.46 in, 0.5 lb), it fits anywhere. Backed by a 2-year quality warranty and responsive lifetime tech support—buy with confidence for your family’s health

Product Specifications:

 

Feature

Details

Product Type

HCHO / TVOC Air Quality Tester

Detection Principle

Thick Film Semiconductor Gas Sensor

HCHO Range

0 - 0.615 mg/m³

TVOC Range

0 - 2.000 mg/m³

Display

Blue Backlight LCD with White Characters

Memory Capacity

96 groups of data

Power Source

Built-in 3.7V 2000 mAh Lithium Battery

Charging Port

Type-C USB

Auto Power Off

30 min (screen off) / 2 hours (shutdown)

Operating Temperature

5℃ to 45℃

 

✅ Why Choose Us?

1Durable & Hassle‑Free
CE‑certified, 2000mAh battery, Type‑C charging, automatic power‑saving, and compact size – built to last and easy to use anywhere.

2.All‑in‑One Value
Combines formaldehyde, VOC, temperature, and humidity detection with alarms and data memory. No need to buy separate gadgets.

3. Accurate & Trustworthy
Uses a thick‑film semiconductor sensor and auto‑preheats before each measurement – no fake “toy” readings.

Air Quality Monitor

Air Quality Monitor

Air Quality Monitor

Air Quality Monitor

  • We require Paypal payment only.  
  • - Your order will be cancelled if the payment is not received in one week
  • The item will be shipped within 1 business days from our factory or warehouse in AU/US/UK/DE,within 2-3 business days from our factory or warehouse in China
  • The parcel are usually delivered in 3-5 business days from UK/US/AU/DE,10-35 Business days from China (the Batteries are not included )
  • We will do our best provide best products and high quality service for you.
  • We offer a 30 day money back guarantee for all goods shipped correctly that are no longer required - only if they are unused.
  • For items which are faulty on receipt, you must notify us within 14 days by e-mail via eBay only. We will then inform you of the next steps.
  • If a wrong item is received, the item must be returned to us within 7 days of receipt and we will send the correct item as soon as possible.
  • Our fast growing range of online products will help cater for your every need. This may include Test and Measurement and many more...
  • We aim to provide fast, reliable and efficient service and ensure the best possible products are supplied. Our ambitions are to grow and develop the company by satisfying customers' needs.
  • If you have any questions or problems, please do feel free contact us by email. We will reply you within 24 hours.
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