Linear-Delta3 DS Single Set- Receiver &amp; Remote Combo<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Linears DS ( dipswitch) combo is perfect for adding a receiver and remote to an operator application</li><li>Includes receiver and one DTC transmitter</li><li>Compatible with all linear moore-o-matic delta 3 products</li><li>310 MHz frequency， 8 dip switches for gate or garage door openers</li><li>Batteries and visor clips included</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31R3P1hKNwL.jpg" noproxy>