Real Time Mini GPS Tracker Android / IOS Tracking APP SIM Card Change Alert

V16 is a super mini gps tracking device for person and assets. For kids and lone workers, it is easy to take with, and can call back or answer calls, and send out emergency alert for help. For lone workers, their manger can monitor them real time on web, and talk to them directly to know the job process, in case of emergency, they can press the alert button too. It is a user friendly gps position tracking device and also the live tracking web system and app. Remember its size