radio value alert attırma

<div class="select animated zoomIn" >
<input type="radio" name="option">
<i class="toggle icon icon-arrow-down"></i>
<i class="toggle icon icon-arrow-up"></i>
<span class="placeholder"><i class="icon icon-shield"></i>Seçin</span>
<label class="option" id="RadioArea">
<input type="radio" value="1" id="btnSec" name="option">
<span class="title animated fadeIn"><i class="icon icon-close"></i>Kapalı</span>
</label>
</div>

   $("#btnSec").click(function () {
var Deger = $("#RadioArea input[type='radio']:checked").val();
alert(Deger);
    });