Package Contents: you receive 3-pack universal garage door opener remote with , key fob, built-in battery, suitable for most of garage door openers made from 1993 to present; It can be suitable for yellow//red/orange/green 5-color learning buttons Precautions for use: please perform remote programming near the remote control of the garage door; Before starting the remote programming, make sure the garage door opener is completely closed, otherwise programming may fail; Programming may fail and automatically unprogram, for all , please refer to detailed instructions Compatible list: remote control can replace 893LM remote control transmitter; Compatible with for 81LM green learning button (100 million yards, 390MHZ), model: 81LM, 82LM, 83LM, 84LM, red orange learning button (Security+, 390MHZ), model: 91LM, 92LM, 94LM, 96LM, 970LM, 971LM, 972LM, 973LM, 973W, 974LM, learning key (safety, 315MHZ), model: 398LM, 378LM, 377LM, 376LM, 374LM, 373LM, 372LM, 371LM, 370LM, 365LM, learning 35