Mini Spy Vehicle Real Time Tracker for GSM Gprs GPS System Tracking Device Gps102b Hard-wired You can get target's latitude and longitude by SMS or GPRS, and check position by google earth Monitoring and SOS feature It will send an alert of Geofence to the user when it breaches the restricted area Protect the elder,kid,employee and pet,etc. Will need to insert a working sim card (not included) into the GPS unit