Security：RC-3
Remote controller, hopping code
| Buttons | 4 |
| Radio Code | hopping, with 7.3 X 1019 combinations. |
| Battery | CR2032 cell, 3V |
| Estimated Battery Life | 4 years (@actuated 4 times / day) |
| Size | 40.5 x 55.0 x 12.7 mm |
| Weight | (w/ battery, w/o key ring): about 18g |