Chamberlain Safety Sensor is designed to prevent your garage door from closing on people, pets, or objects, enhancing safety and peace of mind. This sensor fits any Chamberlain, Liftmaster, or Craftsman garage access system manufactured after 1997, making it a versatile and reliable choice for various garage door setups. The package includes two safety sensors, easy-to-install mounting brackets and hardware, a 3-foot extension wire, and connectors to ensure a straightforward installation process. Backed by a one-year warranty, this safety sensor both quality and durability for your garage door system. Model Number: 801CB-P