With the (1-wire) interface of Queclink GV56 GPS tracker you will connect an "temperature sensor" to vehicle temperature control or manage the driver ID through iButton key avoiding the unauthorized driving in your vehicle. Increase your daily fleet management with the hours of service control of "driving style´s" from the GV56 GPS tracker: (harsh acceleration, harsh braking, harsh cornering, aggressive driving, crash detection) improving their fuel consumption control. Queclink GV56 allow to locate your vehicle in 3 different GPS tracking modes with field service management: (from Queclink online server, using an external tracking management platform "edit IP/port" from where you can manage their downloading tachograph data, sending different commands with SMS text messages), from the online tracking services you can manage analysis and reports over the "driving behaviour´s" that generate GV56 tracker without requirements limit, also from the online services use an REST API to connect existing applications. To improve the protection in your vehicle, GV56 GPS tracker offers the follows "SMS alerts": (geofences in automatic vehicle dispatch alert, digital input alert, jamming alert, tow alert "when the ignition is in off state"), when Queclink GPS tracker detect any of these events send you different "SMS alerts" to your mobile phone or can also sending the events to tracking management platform. To avoid fraud and increase your fleet management control, Queclink GV56 allow setup up to (20 circular virtual geofences - 20 polygonal virtual geofences for service routes or deliveries tasks), when your vehicle cross any of these "virtual geofences" you receive different (SMS alerts) on the mobile phone.