Chamberlain 820CB Garage Door Safety Sensor (2-pack)
Chamberlain safety sensor for garage doors with quick-connect wiring and bright LED indicators. Provides obstruction-triggered reversal and compatibility with Chamberlain openers after 1997. Customer note highlights easy installation and improved brightness, with mixed reviews on long-term durability
Highlights
- low profile safety sensor
- quick-connect wiring
- enhanced troubleshooting
Pros
- easy installation
- bright LED indicators
- low profile design
- compatible with Chamberlain openers after 1997
- enhanced troubleshooting
Cons
- mixed feedback on long-term durability
- sunlight sensitivity reported by some
- variable door closing performance
Best For
Features
- For use with Chamberlain garage door openers manufactured after 1997
- Low-profile safety reversing sensors with obstruction detection
- Includes 2 sensors and mounting brackets for installation
