Electromagnetic Fields: It generates a magnetic field using coils of wire. When a person walks through, any metal objects disrupt this field. Signal Processing: When metal is detected, the system sends a signal to alert security personnel.

Individuals are asked to walk through the detector at a steady pace.

If metal is detected, the device may beep or light up, prompting further inspection. Commonly used in airports, government buildings, schools, and events for security purposes.

A time and attendance management system is used to track and manage employee work hours, attendance, and other related data. These systems automate the process of recording when employees start and stop work, manage breaks, and track time off, streamlining HR processes and ensuring accurate payroll processing and compliance with labor laws. 

Turnstiles are mechanical or electromechanical barriers that allow one person to pass at a time. They are primarily used to control the flow of pedestrian traffic and restrict access to authorized individuals or those with valid credentials. Common applications include public transportation systems, office buildings, retail environments, and venues like stadiums and amusement parks.