Chamberlain TC1000 is a protective cover designed to keep safety reversing sensors aligned and shielded from damage. It can be attached to the door track, wall, or floor, and may be trimmed to fit around obstacles. Proper installation of the safety reversing sensors is critical to prevent serious injury or death, especially for small children, when the garage door is closing. By using Tough Cover, you can ensure that your safety reversing sensors remain in proper alignment and are less likely to be damaged, providing an extra layer of protection for your family and property.