5-in-1 Air Quality Tester Carbon Dioxide HCHO TVOC Temperature Humidity Meter Rechargeable Audible Visual Alert Large Backlit Display Por

5-in-1 Air Quality Tester Carbon Dioxide HCHO TVOC Temperature Humidity Meter Rechargeable Audible Visual Alert Large Backlit Display Por 5-in-1 Comprehensive Testing – One device measures carbon dioxide, HCHO, total volatile organic compounds (TVOC), ambient temperature, and humidity, providing a complete picture of your indoor air without needing multiple tools. Large HD Display with Backlight – The clear, generously sized screen shows all readings at a glance, with backlight support for easy viewing in darker rooms or at night. Exceedance Sound & Light Alert – Pre-set thresholds warn you immediately when any pollutant level becomes unhealthy. The screen flashes and a buzzer sounds, helping you react quickly to protect your well-being. Rechargeable & Versatile Placement – Built-in 750mAh battery charges via USB-C (cable included). Place it on a desk, hold it in your hand, or mount it on a wall – it adapts to your needs and runs for extended periods. Wide Application – Perfect for home, newly decorated houses, offices, classrooms, bedrooms, garages, greenhouses, warehouses, and more. A practical way to stay aware of the air you breathe every day. Key Features：5-in-1 Comprehensive Testing – One device measures carbon dioxide, HCHO, total volatile organic compounds (TVOC), ambient temperature, and humidity, providing a complete picture of your indoor air without needing multiple tools. Large HD Display with Backlight – The clear, generously sized screen shows all readings at a glance, with backlight support for easy viewing in darker rooms or at night. Exceedance Sound & Light Alert – Pre-set thresholds warn you immediately when any pollutant level becomes unhealthy. The screen flashes and a buzzer sounds, helping you react quickly to protect your well-being. Rechargeable & Versatile Placement – Built-in 750mAh battery charges via USB-C (cable included). Place it on a desk, hold it in your hand, or mount it on a wall – it adapts to your needs and runs for extended periods. Wide Application – Perfect for home, newly decorated houses, offices, classrooms, bedrooms, garages, greenhouses, warehouses, and more. A practical way to stay aware of the air you breathe every day.

Technical Specifications：Name: 5-in-1 Air Quality Tester Measured Parameters: Carbon dioxide, HCHO, TVOC, temperature, humidity Battery Voltage: 3.7V Battery Capacity: 750mAh / 2.75Wh (built-in rechargeable) Charging: USB Type-C (cable included) Alert Type: Screen flash + audible buzzer Placement: Desktop, handheld, wall-mounted

Package Contents：1 × 5-in-1 Air Quality Tester 1 × Type-C Charging Cable 1 × Portable Wrist Strap 1 × User Manual 1 × Retail Box