GPS tracking with fuel sensors can detect fuel thefts and make an alert but it takes a lot of time for server to receive and process data (at least 3-5 minutes) to generate an fuel theft event and alarm. Eurosens Dominator fuel level sensor process fuel volume data and can generate alarm signal itself coming to alarm input of Galileosky GPS tracker. This smart device check another conditions (alarm mode ON, vehicle is not moving) and can activate an instant messaging to server, operator and make an instant voice call to the driver