Select an article and click on "Add to cart". If the item selected does not come with a power cord or batteries included, you will be asked to choose the power supply from the related section or to confirm that you do not need one. A small window will open on the right to show you the articles added to your cart. 

Once that you have found all the products needed, please click on the cart symbol at the top right corner and on "View Cart". All the items previously added will be shown, as well as their price, quantity and subtotal. Before confirming your order, you will be given the possibility to add or to remove one or more products and to modify their quantity. 

Go on by selecting your payment method, your delivery method and address, and also your billing address if needed. Check out your data and click on "Send order".