Real-time tracking
◇Overspeed/low battery alarm
◇Mobile alarm
◇Entry and exit fence alarm
◇ACC detection and notification (4pin has)
◇ Power failure alarm (built-in battery only)
◇Vibration/anti-demolition/anti-collision alarm
◇Voltage 9-90V
◇Power saving and GPRS, app settings
◇AGPS function, receive GPS signal faster
◇Built-in storage memory, blind area data upload