Tilswall 3-in-1 Indoor Air Quality Monitor Portable CO2 Monitor Paint Tools New Upgraded Multifunctional Network Tester

New Upgraded Multifunctional Network Tester

accurate real-time carbon dioxide measurement

This cable toner has functions of POE tester

ensuring smooth

The glow-in-the-dark buttons enhance usability and make operation convenient in dark environments

Tilswall 3-in-1 Indoor Air Quality Monitor Portable CO2 Monitor Paint Tools New Upgraded Multifunctional Network TesterHigh Precision CO Sensor Equipped with an advanced semiconductor sensor for stable, accurate real time carbon dioxide measurement. 3 in 1 Air Quality Monitor Large LCD display clearly shows CO concentration, temperature, and humidity at the same time. Accurate Measurement with Air Convection Design Optimized airflow circulation improves accuracy, with a wide measuring range from 400 to 5000 ppm. Smart Color Coded Air Quality Indicator 4 color LED ring