solidremote replacement for liftmaster chamberlain craftsman 371lm 373lm keychain garage door opener remote, 2005-current purple learn button (l-keychain-1) solidremote <p><b>before purchase, please check your garage door opener</b></p> <p>this aftermarket replacement remote only works with <b>purple learn button</b> liftmaster / chamberlain / sears craftsman / raynor / accessmaster brand garage door opener (hanging in your garage) made around 2005-2014 that features security 315 mhz technology.</p> <p><b>or you can check if your remote control's model number is listed below</b></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</p> <p><b>again make sure</b> your garage door remote is listed above or your opener has a purple learn button <b>because otherwise it will not work - this remote is not universal.</b></p> <p>#</p> <p><b>feature highlights</b></p><ul> <li>easy to program and use</li> <li>sliding cover protection, no more accidental press in pocket or purse</li> <li>led transmitting & low battery indicator</li> <li>small & lightweight portable keychain style</li> <li>latest rf technology ensures better range</li> <li>true 4-button supports up to 4 different security 315 mhz rolling code encryption devices</li> <li>use one common cr2032 3v lithium coin battery each remote</li> </ul> <p><br/>led indicator illuminates when transmitting, also it will flash during transmitting when battery is low.</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>