Unlocked GSM Kids SOS Cell Phone with GPS Tracker - Smart emergency call, one-key call - Support GPS+LBS positioning function - Voice monitoring function; Long-distance control - GSM 850/900/1800/1900 Quad-band for worldwide use - Multi-ways for location checking: via a phone call, a SMS command or internet (there is a product identity number called IMEI number coming with the product. With this number, you may login to a real-time monitoring website which supported by the manufacturer to track the GPS signal whenever you want. The website supports multiple functions including Live Monitor, Playback and SOS Message)