This document introduces ONER's professional GPS tracking solutions for fleet management and personal tracking. It describes how GPS trackers work by receiving location data from satellites and transmitting it via cellular networks. Several GPS tracker models are presented, highlighting their main features like real-time tracking, geofencing, speed alerts, and remote controls. The document also demonstrates ONER's web-based tracking platform, which allows users to monitor locations, set alerts, and manage vehicles or people from a computer or mobile device.