Features
- Whenever there is an obstruction, the garage door will automatically reverse before causing damage
- For use with every Chamberlain® garage door opener manufactured after 1997
Specifications
| Brand | CHAMBERLAIN |
|---|---|
| Model # | 820CB |
| Length | 10.0 in |
| Width | 9.13 in |
| Height | 13.13 in |
| Weight | 1.3 lbs |
| UPC | 012381197460 |
| SKU | 5075148 |