Package Contents: you will receive 2 pcs universal garage door remote controls, built in key fob, built in battery is CR2032 3V coin cell, compatible with , , brand openers from 1993 to , with purple, red, orange, yellow, green smart, learn button Multi Channel Usage: compatible with up to 4 different garage door openers, door operators and accessories with Securityand 315MHz and 390MHz, Billion Code 390MHz and Securityand 2.0 310/315/390MHz highest level encrypted rolling code MyQ long range frequency Compatibility List: 81LM green learning buttons (Billion Code, 390MHZ), models: 1245, 1255, 1270, 1280, 971LM red and orange learning buttons (Securityand, 390MHZ), models: 1245R/1255R, 1265R, 2220, 2245/2255, 2265, 2280, 2500, 2575, 2585, 2595, 371LM purple learning button (Securityand, 315MHZ), models: 1345/1355, 1356, 3220, 3240, 3265, 3270, 3280, 3800, 3500, 35550, 35 891LM yellow learning button ( 310, 315, and 390MHZ), models: 8065, 8155, 8165, 8355, 8360, 8365-267, 8500, 8550, 8557, 8587 Slide-lock protective cover avoid you from accidentally pressing the buttons. and lightweight, with metal reinforced key chain hole which ' be broken for pressure, key chain included for each remote control, Built-in LED transmitting and low battery indicator. Long range and stable work, working range of 120 feet, "no " roll-in access. material: plastic Color as shown Package Contents: 2 x Garage Door Opener Remote 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 a little different from the real thing. The measurement allowed error is 1-3cm.