The core activity of Protelec-Depanapp-Systems includes the installation, maintenance and repair of electrical systems, including: high and low voltage installations, telephone and computer networks, access control systems (readers, digital locking systems, video surveillance), automation of doors, gates, parking systems and barriers, alarm systems (burglary, robbery, fire), video-intercom systems, and connection of systems to smartphones. Additionally, the company also offers emergency services (7/7, 24/24) in the areas of electricity, heating, automatic gates and plumbing.