Tilswall 3-in-1 Indoor Air Quality Monitor Portable CO2 Monitor Paint Tools then press fully to begin

then press fully to begin atomized spraying

Port Flashing

the laser becomes clear

Includes 20 mini glue gun sticks (7mm x 140mm) for strong adhesion on paper

Large LCD display clearly shows CO₂ concentration

Tilswall 3-in-1 Indoor Air Quality Monitor Portable CO2 Monitor Paint Tools then press fully to beginHigh 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