Hello! In this category you will find everything you need to know before choosing a locking system. For each category you can select the following:

• Frequently Asked Questions – Here we have gathered briefly the most frequently asked questions from our clients for each over the years
• Component modules – here will be described in detail the principle and operation of the various components in a system – from the controller that controls it, to the lock that locks.
• How to install – In this subcategory you will be able to see information on how to install the individual components.
• View in shop.lesi.eu – Since the site you are currently on is entirely informative, there is no way to buy our products. To do this, visit our online store at shop.lesi.eu