About This

• Wide Compatibility: Replacement for 820CB garage door safety sensors, designed to fit multiple LiftMaster, Chamberlain, and Sears Craftsman garage door opener models that use the Safety Sensor system (1997 and later).
• Reliable Sensor Performance: Helps maintain the proper safety function of your garage door by detecting obstructions and preventing accidental door closure. Supports consistent, stable signal detection for everyday operation.
• Easy Installation Process: Comes with pre-attached brackets and matching wiring for quick setup. No special tools required—simply align the sensors, connect the wires, and secure them in place.
• Easy Installation Process: Comes with pre-attached brackets and matching wiring for quick setup. No special tools required—simply align the sensors, connect the wires, and secure them in place.
• Direct Replacement for 820CB: Ideal replacement part for worn, damaged, or unresponsive sensors. Compatible with safety sensor brackets and wiring styles commonly used in LiftMaster, Chamberlain, and Craftsman garage door opener systems.