Digital Lung Capacity Tester Handheld Spirometer LED Spirometer High Precision Lung Exerciser

This handheld spirometer is a compact digital lung capacity tester designed for quick, easy breathing checks at home, in school, or during fitness practice. As a reliable breathing tester and health test device, it records lung capacity from 1 to 9999 mL with 1 mL resolution for clear, practical monitoring. The LCD screen and LED night-light function make readings easy to see, while the clear scale helps users check results at a glance in different lighting conditions. Built in a lightweight ABS body, this spirometer is comfortable to hold, simple to carry, and convenient for repeated use during daily training or testing. It supports steady inhalation practice and breathing exercise routines, helping users build improved respiration control and follow their progress over time.