1. Automatic Protection: The safety lock serves as an automatic protection device for the treadmill. When the switch moves out of the treadmill's sensing area, the treadmill immediately stops and emits an audible beep to help prevent accidents during exercise. 2. Applications: This magnetic safety switch is designed for electric treadmills and compatible with models that use round magnetic switches. 3. Easy to Use: Compact and user-friendly, this safety lock is simple to install and operate. Place one end into the designated slot on the treadmill console and clip the other end to your clothing for quick access. 4. Durable Materials: Safety keys play a crucial role in maintaining treadmill functionality. This round safety key is constructed from high-quality ABS plastic and integrated magnets, offering enhanced durability and reliability. 5. Lightweight and Portable: This emergency stop device is lightweight and easy to carry, making it convenient for travel or use at different locations. Package Includes: 2 x Emergency Stop Switch