The CelloTrack device line from Cellocator for GPS tracking of assets offers many different hardware configurations for a variety of solutions. These different configurations offer multiple selections of I/O configurations for users to add customizable sensors for integration with Position Logic's automatic alerts. In addition, the CelloTrack GPS device line can be configured to last up to three years on a single charge. These features allow for many different solutions to be achieved for GPS tracking and monitoring on the RedGPS GPS tracking platform.