ATian Vehicle Car personal GPS/GSM/GPRS/SMS Tracker 303G, Realtime,Remote Control, Google Map similar to TK103B 1.Input sim card, Turn on the device, Support to set 5 admin number monitor the GPS device. 2. Single Locating 3.Auto track continuously 4.Track with limited times upon time interval , Smart track upon time and distance interval The tracker will update the positions automatically to web server once the vehicle changing driving direction over pre set angle value to form a smooth trajectory consistent with the actual road, this function works only in GPRS /GSM mode Band: 850/900/1800/1900Mhz GPS sensitivity: -159dBm GPS start time, Cold status: 45s,Warm status: 35s,Hot status: 1s ,all of these make you&#039;ll never loss anything you want. Support GPS and LBS (Location based service) double tracking solutions. Support SMS/GPRS/Internet Network data transmission (GPRS/Internet instructions includes in CD in package Storage Temp: -40C to +85C,Operation Temp.: -20C to +65C,Humidity: 5%--95% non-condensing Sigle locating, accurancy range 5m. It can track and monitor remote target by SMS or internet. It allows you to track the whereabouts of anything. Keep you noticed when valuable items has been moved. Car 12 V -24V standard power supply and Chargeable 3.7V 800mAh Li-ion back up battery. At least 20 to 29h real time continuously tracking.