local.js

var AWS = require('aws-sdk');

var dynamodb = new AWS.DynamoDB({apiVersion: '2012-08-10', region: 'us-east-1'});

var params = {
   TableName: 'Produtos',
   KeyConditionExpression: 'Id = :id',
   ExpressionAttributeValues: {
     ':id' : '1'
   }
};
dynamodb.query(params, function(err, data) {
   if (err) console.log(err);
   else console.log(data);
});