<p><b>Before purchase, please check your garage door opener</b></p> <p>This aftermarket replacement remote ONLY works with <b>Purple, Red/Orange, Yellow Learn Button Button</b> LiftMaster / Chamberlain / Sears Craftsman / Raynor / AccessMaster brand garage door opener (hanging in your garage) made around 1997-current that features Security+ 315 MHz / 390 MHz or Security+ 2.0 MyQ technology.</p> <p><b>Or you can check if your remote control's model number is listed below</b></p> <p><b>Security+ 315 MHz (Purple learn button openers 2005-2014)</b> remotes model below</p> <p>LiftMaster: 355LM, 365LM, 370LM, 371LM, 371LMC, 372LM, 372LMC, 373LM, 373LMC, 373P, 373W, 374LM, 374LMC, 376LM, 377LM, 377LMC, 378LM, 398LM and 41A6127-1<br/> Chamberlain: 41A6318, 940D, 940CD, 950D, 950CD, 953D, 953CD, 956D, 956CD<br/> Sears Craftsman: 139.18191, 139.18192, 139.53752, 139.53753, 139.53754<br/> AccessMaster: 371AC, 373AC and 377LG<br/> Do It: 940DID and 953DID<br/> Raynor: 371RGD, 372RGD, 373RGD, 373PRGD and 377LG<br/></p> <p><b>Security+ 390MHz (Red or orange learn button openers 1997-2005)</b> remotes model below</p> <p>LiftMaster: 91LM, 92LM, 94LM, 96LM, 970LM, 971LM, 972LM, 973LM, 973W, 974LM, Keyless Entry 976LM<br/> Chamberlain: 950CB, 953CB, 956CB, Keyless Entry 940CB<br/> Sears Craftsman: 139.53680, 139.53681, 139.53684, 00953680000, 00953681000, HBW1255<br/></p> <p><b>Security+ 2.0 (Yellow learn button openers 2011-current)</b> remotes model below</p> <p>LiftMaster: 891LM, 893LM<br/> Chamberlain: 950ESTD 953ESTD MyQ light control accessory</p> <p><b>AGAIN MAKE SURE</b> your garage door remote meets above specs <b>BECAUSE OTHERWISE IT WILL NOT WORK - THIS REMOTE IS NOT UNIVERSAL.</b></p> <p>Typical battery life is 2 years under average operating conditions using standard 3V CR2032 batteries. <b>Not applicable to factory pre-installed battery, which is provided for trial purpose only.</b></p>