let Wemo = require('wemo-client');
let wemo = new Wemo();

wemo.discover(function(err, deviceInfo) {
  console.log('Wemo Device Found: %j', deviceInfo);

  // Get the client for the found device
  let client = wemo.client(deviceInfo);

  // You definitely want to listen to error events (e.g. device went offline),
  // Node will throw them as an exception if they are left unhandled  
  client.on('error', function(err) {
    console.log('Error: %s', err.code);
  });

  // Handle BinaryState events
  client.on('binaryState', function(value) {
    console.log('Binary State changed to: %s', value);
  });

  // Turn the switch on
  //client.setBinaryState(1);
});