<p><b>Compact Size</b></p> <ul> <li>Say goodbye to the old and bulky remotes and use this portable mini remote with keychain.</li> <li>It doesn't matter if you carry it around or put it in the car.</li> <li>Single remote control size: 2.2'' x 1.6'' x 0.6''</li> </ul> <p> </p> <p> </p> <p><b>Multi-Code -10 Dip Switches - 300MHz</b></p> <ul> <li>It is NOT a universal remote control, please make sure your garage door opener system is ''300MHz Multi-Code'' or this remote will not work.</li> <li>Compatible with all US Multi-Code 300MHz frequency garage door or gate opener systems.</li> <li>Replaces Multi-Code Remote models: 3089/ 3060/ 3070/ 4120</li> <li>Same function as Linear Multi-Code remoteproduct number MCS308911.</li> <li>Equipped with 10 binary DIP switches.</li> <li>ABS plastic shell, silicone button.</li> </ul> <p> </p> <p> </p> <p><b>Selecting your Code</b></p> <ol> <li>You need to use a screwdriver to remove the screws on the back cover of the remote control, and then pry open the plastic casing. At this time you can see 10 Dip Switches on the motherboard.</li> <li>Refer to the switches position on the receiver and dial the Dip Switches to the corresponding position. Then test.</li> <li>Complete the settings.</li> <li>If the remote control does not work, try to dial the Dip Switches to the opposite position. Then test again.</li> </ol> <p> </p> <p> </p> <p><b>The package includes:</b></p> <ul> <li>Remote control * 2</li> <li>Keychain * 2</li> <li>23A 12V alkaline battery * 2 (installed)</li> <li>English manual * 2</li> </ul> <p> </p>