Through the (1-Wire) interface of Suntech ST3300, you can connect a "i-Button" to manage the unauthorized driving or connect a "temperature sensor" to control in real-time the mobile asset temperature. ST3300 GPS tracker offer "driving pattern analysis and crash reconstruction in real-time" that help to improve performance in the (efficient driving) of your mobile asset or vehicle, depending where install the Suntech unit. The real-time tracking and hours of service control of Suntech ST3300 you can manage by: (sending text messages with commands via SMS, connecting ST3300 to Suntech online server or using an external Tracking Management Platform), always depending of your need. With ST3300 GPS tracker also can create some "Virtual geofences - circular/polygonal" from the Suntech configurator software or via SMS text messages, if use geofences for service routes or deliveries tasks with ST3300 you increase the safety and control of your mobile asset. One of the more interest functions of Suntech ST3300, is his internal 3-axis accelerometer that can detect when the mobile asset are moving and send "SMS alerts" to a predefined mobile phone or an alert report to Tracking Management Platform always online.