Features: Real time free tracking, GSM/GPS dual mode positioning, positioning accuracy of up to 5 meters. 5000mAh ultra large capacity battery, super long standby, charge once can standby for 90 days. Electronic fence, over speed, low power alarm, voice monitor. Track the location of the lost or stolen pets, children, the elderly and vehicles. Call the tracker recieve an instant location map to your phone/tablet/PC of exactly where the tracker is located. IPX6 waterproof design, no need to worry about the rainy days. This product is based on GSM/WCDMA/GPRS network and GPS satellite positioning system. It locates or monitors remote targets through SMS, mobile APP or webpage. It is GPS and AGPS dual positioning. Installation + strong magnetic adsorption portable GPS locator. The equipment is widely used in: Car rental/small fleet management. Outdoor sports positioning. Guardianship of children/elderly/disabled persons/valuables. personal safety. people management. Track location.