General terms and conditions of use

These general terms and conditions of sale apply to the relationship between eye4i and all persons placing an order on the website

Eye4i reserves the right to adapt or modify the General Terms and Conditions at any time, applicable to any new order.

For each order, the customer must confirm that he/she has read and accepted the general conditions.

Parcel delivery

We deliver throughout Europe at the prices indicated below. Packages are shipped the same day for any order placed before 14:00. Orders validated after this deadline are sent the next day. The parcels leave our warehouse in Geneva and are then transported by Swiss Post.

Shipping costs include preparation and packaging costs as well as shipping costs. These costs are the responsibility of the customer. The dimensions of the boxes are appropriate and the items are properly protected inside the box.

For Postpac Economy deliveries in Switzerland and Liechtenstein, shipping costs are free for orders over 150 CHF. The tracking number is transmitted to the customer as soon as the package is sent.

The validity of the delivery address is the responsibility of the customer and an unsuccessful delivery leading to an automatic tax of the post office will be charged to the customer.

For all destinations outside Switzerland, Lipo batteries can only be sent with one product.

For more information, please visit the delivery page

Return Policy

It is possible to return a purchase to us within 14 days of receipt, as long as the conditions below are met.

- The product has never been used
- The product shows no trace of use or incorrect treatment.
- The product must be reconditioned as original with all its components and properly packaged for shipment.
- The return and send costs are the responsibility of the customer and the returned items are the responsibility of the customer until we receive them.
- The package should be sent to the following address: Diz Sàrl, Ch. Chantemerle 27, 1226 Thônex, Switzerland

Once the package has been received in return and after conformity check, we proceed with the product change and/or refund.

Warranty on products

We offer a standard warranty on all our products. This ensures that you have a product in working order and fully functional when it is delivered.

Products with manufacturing or material defects are covered for transport damage, provided that these defects are clearly established.

Damage due to normal wear and tear, inappropriate use, external causes, or the intervention of the buyer or third parties is not covered. The product must be used according to the recommendations of the manual.

To benefit from support, under warranty or not, contact our support ( so that we can make a first diagnosis and avoid unnecessary returns. Our support will do its best to find the most appropriate and quickest solution to your problem.

For more information, please consult the warranty page

Datas protection

Eye4i undertakes to comply with the provisions of the Swiss Federal Data Protection Act.

We guarantee that personal data will only be used for the purpose of ensuring that the order is processed correctly. Under no circumstances will personal data be used for other purposes or communicated to third parties, except where necessary for the proper execution of the order.

Personal data can be accessed and modified at any time in the customer area.


Prices are mentionned in Swiss francs, all taxes included. The customer will have to pay the transport costs to the desired address.

Eye4i reserves the right to modify its prices at any time, but undertakes to apply the prices quoted at the time of the order.

These prices are valid in Switzerland, Liechtenstein, France, Germany, Belgium, United Kingdom.

For all orders to other countries, please contact support.

Secure payments

All credit card payment methods are made through the secure Postfinance or Paypal platform. During the transaction, you will therefore be redirected to the Postfinance payment module or the Paypal interface in HTTPS.

For payments by bank transfer, please include the order reference in the subject of payment.

For more information, please visit the payments page

Customer's obligation

The customer undertakes to use the product in accordance with the manufacturer's instructions and to maintain it in order to ensure its proper functioning.

Legal information

Company name: Eye4i

Person in charge: Yacine Zendaoui

Address: Geneva, Switzerland


Applicable law

This contract, as well as the sales made by eye4i, are governed by Swiss law. In the event of disputes, the place of jurisdiction is Geneva exclusively.