This product uses red compressed gas as the core detection medium. With a unique injection method, it visually shows leak points as smoke, accurately "tracking" leaks in bicycle tires' complex structures, like a lamp in the dark. Its red - black appearance is eye - catching, ergonomic for a comfortable grip. An advanced pressure - detection system enables real - time tire - pressure display, merging practicality with technological feel. It efficiently addresses bicycle tire leak - detection issues in outdoor and factory settings.