Details
Specifications
| Compatibility | Liftmaster, Chamberlain, Craftsman and Raynor |
| Power | 5-year 3V lithium battery included |
| Frequency | Security+ |
| Learn Button | Red (390 MHz), Purple (315 MHz) |
| Replacement for part |
(Red) 970LM 971LM 972LM 973LM 974LM 139.53681B, (Purple) 373LM |
| Dimensions |
3.35 x 2.52 x 0.79 in |
Downloads