a) What are cookies
Cookies are small files or widely used devices that are installed in the user's browser in order to store, retrieve or update data. Allow the person responsible for a website to know the preferences of users to browse their website and customize services based on those preferences.

In VZero Engineering Solution, S.L. ( We use own and third party cookies that allow us to use analysis and measurement to ensure that our website works properly and thus improve our services.

Third-party cookies we use in VZero Engineering Solution, S.L. ( for information about visits, measure and analyze web browsing and customize some services are owned by Webtrends, Google Analytics, Twitter and Facebook.

b) Types of cookies
Depending on its purpose, cookies may be:

- Technical Cookies are necessary for navigation. Without them the page fail to work properly (cookies "user input" for online shopping baskets, media player session, ...).

- Cookies customization or configuration: allow the page to recognize the user's language, font size, ...

- Cookies safety: prevent or hinder attacks against the website or its users.

- Cookies analysis: to measure the user activity and compile statistics navigation.

- Advertising Cookies: manage the frequency and content of the ads.

- Cookies behavioral advertising: they store information about users to show advertising.

c) To control the use of cookies

To remove cookies that are already established in your terminal, you can do from your browser. You can find ways to do so by going to the help menu of your browser where the steps are set to proceed with removal. For more information:

Internet Explorer:

Mozilla Firefox:

Google Chrome:


d) Cookies we use

There are different types of cookies on our website and are used for different purposes. Here we list the various cookies we use.

Own Cookies:


Tipo de cookies Cookie Finalidad Caducidad
Customizing online store (uses a unique encrypted cookie to store all session information) date_add The date and time of the cookie was created (in the format YYYY-MM-DD HH: MM: SS). 20 days
id_lang The ID of the selected language.
id_currency The ID of the selected currency.
last_visited_category The ID of the last visited category product announcements.
ajax_blockcart_display If the block is being shopping "folding" and "unfolding".
viewed The IDs viewed as a comma-separated list.
id_wishlist The ID of the current list displayed on your block list.
id_guest The client ID of the visitor when not logged in
id_connections The connection ID of the session current visitor
id_customer The client ID visitor when logged
customer_lastname The name of the client.
customer_firstname The first customer name
logged If the client is connected
passwd The MD5 hash of _COOKIE_KEY_ in config / and password that the client uses to log
email The email address that the client uses to log
id_cart The ID of the current basket shown in block cart.
date_add The date and time of the cookie was created (in the format YYYY-MM-DD HH: MM: SS).
id_lang The ID of the selected language.
id_employee The employee ID.
lastname The name of the employee.
firstname The first name of the employee.
email profile The email address the employee used to log
profile Identify the profile that determines which tabs the employee can Access.
passwd The MD5 hash of _COOKIE_KEY_ in config / and the password the employee used to log
checksum "The Blowfish checksum is used to determine whether the cookie has been modified by a third .If the checksum does not match, the client will have the closed session and the cookie will be deleted."

Third Party Cookies:



- Twitter

guest_id: Twitter cookie that appears on pages that use the button "Tweet" and serves to identify the user with a unique number associated with Twitter. It lasts two years.

- Facebook

DATR: this cookie checks if the user account is being used by a third party. It lasts 2 years.

reg_ext_ref, reg_fb_gate and reg_fb_ref: cookies are provided by Facebook, which are set when a visitor registers to use their service. Once finished the session cookies disappear.

SPACIOBIKER not control the cookies used by Twitter and Facebook. For more information on cookies social networks, please check your own cookies policy

utma: This cookie generates a unique user ID, which is used to count how many times a user visits the site. It also records when was the first and last time you visited the web. It lasts two years. Save the IP.

utmb and UTMC: These cookies are used to calculate when a session is over. The

utmb records the time of arrival to the page while the UTMC checks whether to keep an open session or you must create a new session. Save the IP.

utmz: This cookie is the one that is responsible for registering the origin of the user and the

keywords. It has a shelf life of six months, although it is renewed each time the site is visited, provided it is not a direct visit. Save the IP.

The user can configure your browser to accept or not the cookies you receive or to the browser notify you when a server wants to save a cookie or delete them from your computer. You can find instructions on the security settings in your Web browser.

• If you use Microsoft Internet Explorer, on the Tools menu> Internet Options> Privacy> Settings.
• If you use Firefox, in the menu Tools> Options> Privacy> Cookies.
• If you use Google Chrome in the menu Settings> Privacy
• If you use Safari, the option Preferences> Security menu

You can use the "Help" section you will find in the toolbar of most browsers to change the settings of your computer, however, some of the features of our online services may not work or may be more difficult to access if you reject all cookies.

Many browsers allow you to turn a private way by which cookies are always deleted after your visit. Depending on the browser, this private mode can have different names, you can find below a list of the most common browsers and different names of this "private mode":

- Internet Explorer 8 and above: InPrivate

- FireFox 3.5 and above: Private Browsing

- Google Chrome 10 and above: Incognito

- Safari 2 and above: Private Browsing

- Opera 10.5 and above: Private Browsing

Please carefully read the help section of your browser to learn more about how to activate the "private mode". You can still visit our website if your browser is in "private mode", however, the user experience may not be optimal and some utilities may not work.

VZero Engineering Solutions SL Thank You accept cookies, this helps us obtain more precise data that enable us to improve the content and design of our website to suit your preferences.









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Plaza de Prosperidad, 2, 28002 Madrid
+34 667 382 128
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