Aftermarket Garage Door Remote for LiftMaster/Chamberlain 371LM, 373LM, 971LM

This aftermarket replacement remote ONLY works with Purple, Red/Orange, Yellow or Green Learn Button LiftMaster / Chamberlain / Sears Craftsman / Raynor / AccessMaster brand garage door opener (hanging in your garage) made/manufactured from 1993-current that features Security+ 315 MHz / 390 MHz or Security+ 2.0 MyQ or Billion Code technology. Or you can check if your remote control's model number is listed below Security+ 315 MHz (Purple learn button openers 2005-2014) remotes model below LiftMaster: 355LM, 365LM, 370LM, 371LM, 371LMC, 372LM, 372LMC, 373LM, 373LMC, 373P, 373W, 374LM, 374LMC, 376LM, 377LM, 377LMC, 378LM, 398LM and 41A6127-1 Chamberlain: 41A6318, 940D, 940CD, 950D, 950CD, 953D, 953CD, 956D, 956CD Sears Craftsman: 139.18191, 139.18192, 139.53752, 139.53753, 139.53754 AccessMaster: 371AC, 373AC and 377LG Raynor: 371RGD, 372RGD, 373RGD, 373PRGD and 377LG Security+ 390MHz (Red or orange learn button openers 1) remotes model below LiftMaster: 91LM, 92LM, 94LM, 96LM, 970LM, 971LM, 972LM, 973LM, 973W, 974LM, Keyless Entry 976LM Chamberlain: 950CB, 953CB, 956CB, Keyless Entry 940CB Sears Craftsman: 139.53680, 139.53681, 139.53684, 0000, 0000, HBW1255 Security+ 2.0 (Yellow learn button openers 2011-current) remotes model below LiftMaster: 891LM, 893LM, 893MAX Chamberlain: 950ESTD, 953ESTD, G953EV-P2, 953EV-P2 and MyQ light control accessory system such as home interior and opener lighting Billion Code (Green learn button openers 1) remotes model below LiftMaster: 81LM, 82LM, 83LM, 84LM Chamberlain: 850CB, 853CB, 856CB Typical battery life is 2 years under average operating conditions using standard 3V CR2032 batteries. Not applicable to factory pre-installed trial purpose battery.