- Compatible ONLY with GREEN learn button systems
- For 390mhz systems on Billion Code technology
- Made for openers manufactured 1993-1997
- Visor clip and lithium battery are included
- Discontinued remote, and harder to find.
| Manufacturer | Liftmaster |
|---|---|
| Part Number | 81LM |
| Item Weight | 0.16 ounces |
| Package Dimensions | 4.7 x 2.8 x 1.2 inches |
| Item model number | 81LM |
| Batteries | 1 CR2 batteries required. |
| Is Discontinued By Manufacturer | No |
| Color | Black |
| Power Source | battery-powered |
| Voltage | 3 Volts |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Batteries Included? | No |
| Batteries Required? | No |
| Battery Cell Type | Lithium Ion |
| Average Battery Life | 5 years |
| ASIN | B0002AU2HE |
| Date First Available | April 22, 2004 |