ATian waterproof Quad band vehicle/motorcycle/car GPS Tracker 303F This tracker is based on the GSM / GPRS network and GPS satellite positioning system, which sets multiple functions of security, positioning, monitoring surveillance, emergency alarms and tracking in its entirety. It can track and monitor remote target by SMS or internet Internal GPS&GSM antenna, compact, elegant appearance 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) 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.