








🚪🔒 Elevate your garage safety game—because your home deserves the best!
The CHAMBERLAIN820CB Replacement Garage Door Safety Sensor 2-Pack offers a compact, low-profile design that automatically reverses your garage door upon obstruction. Compatible with Chamberlain, LiftMaster, and most Craftsman openers manufactured after 1997, it includes all necessary mounting hardware and extension wire for easy installation. Certified UL and backed by a 1-year warranty, this sensor set ensures enhanced safety and reliable performance to protect your home and loved ones.

| Recommended Uses For Product | Preventing accidents and reversing garage doors upon obstruction |
| Specification Met | UL |
| UPC | 012381197460 |
| Global Trade Identification Number | 00012381197460 |
| Number of Pieces | 2 |
| Manufacturer | CHAMBERLAIN CORP |
| Part Number | 820CB |
| Item Weight | 10.2 ounces |
| Product Dimensions | 2.08 x 1.14 x 1.24 inches |
| Item model number | 820CB |
| Is Discontinued By Manufacturer | No |
| Size | Small |
| Style | Sensors |
| Item Package Quantity | 1 |
| Included Components | 2-sensors, mounting brackets, 18 in. of extension wire, instruction manual |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | 1-year warranty |
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