1Main Function: When the safety switch exceeds the sensing area of the running machine, the treadmill will instantly stop and emit a warning sound. 2With Sturdy Clip: This treadmill key comes with a robust clip that can be attached to any type of clothing, making it both convenient and practical. 3ABS Plastic: The treadmill safety lock is crafted from high-quality ABS plastic, which offers excellent toughness and wear resistance, ideal for long-term use. 4Good Compatibility: This emergency stop switch lock is compatible with most running machines, featuring a compact and lightweight design that is simple to use and carry. 5Safe Protection: The treadmill emergency stop switch ensures effective protection to prevent users from falling and injuring themselves during workouts and exercises.