Feature 1: Automatic Protection – The safety lock is an automatic protection device for the treadmill. When the switch moves out of the treadmill's sensing area, the treadmill immediately stops and emits a beep to help prevent falls during exercise. Feature 2: Applications – This magnetic suction safety switch is designed for electric treadmills and compatible with models using round magnetic switches. Feature 3: Easy to Use – Compact, simple to install, and user-friendly. Place the safety key into the designated slot on the control panel and clip the other end onto your clothing for convenient operation. Feature 4: Durable Materials – Treadmill safety keys are essential for safe and efficient operation. This round safety key is made of high-quality ABS plastic and strong magnets, enhancing durability and reliability. Feature 5: Lightweight and Portable – This emergency stop device is lightweight and easy to carry, making it ideal for home or travel use. Item Type: Treadmill Safety Switch Material: ABS, Magnet Gross Weight: 31g / 1.1oz Product Size: Rope length: 92cm / 36.2in, Magnet shell diameter: 32mm / 1.3in, Height: 28mm / 1.1in, Magnet diameter: 9mm / 0.4in Diameter of single column: 2mm / 0.1in, Distance between two columns: 20mm / 0.8in (Note: The rope has slight elasticity. Manual measurement may allow small variations, which do not affect functionality.) Package List: 2 x Emergency Safety Switches Note: 1. Due to manual measurement, please allow 0–1cm size error. Confirm you are comfortable with this before purchasing. 2. Due to differences in monitor displays, the actual color of the item may vary slightly from the images shown.