AngularJS: ng-options

HTML

<div ng-app="optionsApp" ng-controller="optionsController as vm">
      <select ng-options="p.brand  for p in vm.brands" 
              ng-model="vm.selectedPerson">
      </select>
    <p>You selected {{vm.selectedPerson.brand}} 
</div>

JavaScript

var optionsApp = angular.module('optionsApp', []);
optionsApp.controller('optionsController', optionsController);

function optionsController() {
    var vm = this;
    
    vm.brands =  [{brand: "BMW",id: 1},{brand: "Ferrari",id: 2},{brand: "ALTO",id: 3}];
    vm.selectedPerson = '';
}