The book "Optico-electronic security devices with emitting diodes" is a unique publication, which is the result of the joint work of a group of authors with deep knowledge and experience in the field of safety and technology. This specialized guide offers the reader a comprehensive view of modern security systems based on opto-electronic principles, and especially focuses on the use of emitting diodes (LEDs) in security devices. In today's world, where security is becoming an increasingly relevant topic, this book opens the door to the world of high technology, offering the reader not only theoretical knowledge, but also practical recommendations for the implementation and operation of security systems. The author’s team shares its achievements and research, which makes the book a valuable resource for both security professionals and students of technical universities interested in the latest developments in this field. The book will be of particular interest to those who work in the design and installation of security systems, as well as those who just want to learn more about how modern technology can protect their property. It is suitable for both professionals and amateurs who want to deepen their knowledge of modern security technologies. The age range of readers can range from undergraduate students to experienced engineers working in the security field. The topics raised in the book cover a wide range of issues, from the basics of optoelectronic technologies to the practical aspects of installing and configuring security devices. The authors consider such issues as the efficiency of the use of emitting diodes, their advantages compared to traditional light sources, as well as their impact on the reliability and durability of security systems. The reader will be able to learn about the different types of security devices, their characteristics and applications, which makes the book an indispensable reference for anyone who wants to be aware of the latest security trends. The style of presentation of the authors is characterized by accessibility and clarity, which allows even those who do not have deep technical knowledge to easily absorb information. Each chapter of the book is filled with examples from practice and illustrations that help visualize the technologies described. This makes reading not only useful, but also fascinating. The book "Optical-electronic security devices with emitting diodes" can be an excellent addition to the library of any security specialist, as well as an interesting source of information for those who want to protect their home or business with modern technologies. If you are looking for literature that will help you understand the complex issues of safety and security, this book will become your reliable assistant. Do not miss the opportunity to immerse yourself in the world of high technology and learn how opto-electronic security devices can change the approach to security. This book is your key to understanding modern security systems and their capabilities.