Chamberlain 820CB Replacement Garage Door Safety Sensor, 2-Pk. - Quantity 4

2 Pack, Garage Door Replacement Safety Sensor, Prevents The Door From Closing Onto People, Pets Or Objects, Easy To Install Mounting Brackets & Hardware, 3' Extension Wire & Connectors, Fits Chamberlain & Other Garage Access Systems Manufactured After 1997.

• UNIVERSAL COMPATIBILITY: Designed for most garage door openers, these sensors offer reliable performance and easy integration with your existing system for enhanced safety and convenience.
• DURABLE MATERIALS: Made from high-quality plastic, these sensors are built to withstand daily use and resist wear, ensuring long-lasting operation in your garage environment.
• EASY INSTALLATION: No assembly required and no batteries needed. Simply follow the included instructions for a quick and hassle-free setup, saving you time and effort.
• COMPACT DESIGN: Each sensor measures 3.11 in height, 9.25 in length, and 7.0 in width, fitting seamlessly into your garage space without taking up unnecessary room.
• COMPLETE SET: Includes four sensors in a sleek black color, providing a comprehensive solution for multi-door garages or as replacements for existing sensors.