Package Contents: you will receive 6-pack 890max 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/purple/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: 890max remote control can replace 893MAX 893LM remote control transmitter; Compatible with 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, purple learning key (safety, 315MHZ), model: 398LM, 378LM, 377LM, 376LM, 374LM, 373LM, 372LM, 371LM, 370LM, 365LM, learning 35 Yellow Button (310, 315 and 390MHZ), Models: 891LM, 893LM Sophisticated design: sliding protection, no damage caused by accidental pressing into pockets or purses, built-in LED glow and low battery light dimming reminder, small, compact and keychain style; Easy to carry, the latest radio frequency technology ensures more Good coverage; Secure rolling code encryption Colour:black Material:plastic Package Contents: 6 x garage door opener Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.