diff --git a/src/Pikaday.js b/src/Pikaday.js
index 2c4391d..c9ac230 100644
--- a/src/Pikaday.js
+++ b/src/Pikaday.js
@@ -6,9 +6,16 @@ var Pikaday = require('pikaday');
 var ReactPikaday = React.createClass({
 
   propTypes: {
+    defaultDate: React.PropTypes.object,  // date object
+    firstDay: React.PropTypes.number,     // 0-6 for day of week
+    format: React.PropTypes.string,       // A date format. see http://momentjs.com/docs/#/parsing/string-format/
+    maxDate: React.PropTypes.object,      // date object
+    minDate: React.PropTypes.object,      // date object
+    position: React.PropTypes.string,     // one or combination of "top left bottom right"
+    setDefaultDate: React.PropTypes.bool, // make the `defaultDate` the initial selected value
+    showWeekNumber: React.PropTypes.bool,
     value: React.PropTypes.instanceOf(Date),
     onChange: React.PropTypes.func,
-
     valueLink: React.PropTypes.shape({
       value: React.PropTypes.instanceOf(Date),
       requestChange: React.PropTypes.func.isRequired
@@ -35,7 +42,15 @@ var ReactPikaday = React.createClass({
     var el = this.refs.pikaday.getDOMNode();
 
     this._picker = new Pikaday({
+      defaultDate: this.props.defaultDate ? this.props.defaultDate : new Date(),
       field: el,
+      firstDay: this.props.firstDay ? this.props.firstDay : 0,
+      format: this.props.format ? this.props.format : 'YYYY-MM-DD',
+      maxDate: this.props.maxDate,
+      minDate: this.props.minDate,
+      position: this.props.position ? this.props.position : "bottom left",
+      setDefaultDate: this.props.setDefaultDate ? this.props.setDefaultDate : false,
+      showWeekNumber: this.props.showWeekNumber,
       onSelect: this.getValueLink(this.props).requestChange
     });