listbox

Contains settings for underlying listbox widget.

<input id="picker" ></input>

<script type="text/javascript">
    $(function () {
        $("#picker").shieldTimePicker({
            listbox: {
                maxHeight: 400,
            }
        });
    });
</script>

More about all available listbox options, methods and events you can find into the following listbox's API documentation article