The eView EV-07B is a battery powered GPS tracker that comes bundled with its own data plan, SIM card, and GPS tracking service. Compare this price to what you might pay with a monthly fee from other providers. This unit updates every minute. A great GPS tracker to protect the elderly and children. In case of emergencies, they can push the SOS button for help. It can even make phone calls. It will handle any weather condition as its rated IP66, which means that it is for outdoors use. Additional Details ------------------------------ Product description: The eView EV-07B is a battery powered GPS tracker that comes bundled with its own data plan, SIM card, and GPS tracking service. Compare this price to what you might pay with a monthly fee from other providers. This unit updates every minute. A great GPS tracker to protect the elderly and children. In case of emergencies, they can push the SOS button for help. It can even make phone calls. It will handle any weather condition as its rated IP66, which means that it is for outdoors use.