Feature 1 Real Time Tracking: You can query the real time location of the device by platform, mobile application, and SMS, more convenient. 2 Electronic Fence: You can set up geofencing on the map, which will generate alerts when vehicles enter and exit the Goe fence. 3 SOS: When an emergency occurs during driving, the driver can send out an alarm through the SOS button, improve driving safety. 4 Alarm: The device will sound an alarm when the vehicle exceeds the set speed limit, or when the power supply is disconnected. 5 Remote Control: Once the vehicle stops or there is an emergency, you can cut off the fuel remotely and then you can also restore the fuel supply. 6 Wide Application: GPS positioner is designed for use on any vehicle to track your location, such as cars, trucks, boats, vans and much more.Item Type: Car Tracking DeviceMaterial: ABSBand: 850 900 1800 1900MhzTracking Sensitivity: -159dBmAccuracy: 5-10 mFirst Restoration (Open Air): Cold state time 35-90s; hot state time 15sOperating Temperature: -10 to +65Built in Lithium Polymer Battery: 200mAh Package List1 x Car Tracking Device1 x User Manual1 x 4Pin Power Cable1 x Relay1 x Double Sided Adhesive Tape1 x Relay Cable1 x SOS Cable1 x Microphone1 x Pin1 x Speaker