GPRS tracking: Capable of text message (SMS) tracking & internet (GPRS) tracking A SOS button for emergency help.

It can store three alarm phone numbers . You can press any one alarm number button to get help actively. When you call it , you will get a position information including a link ,then if your mobile phone support GPRS function ,then you can enter the link to check your position by Google map real-time.

Screen: 1.49 inch TFT displaying with touch screen, bluetooth answering and data transmission. Supports MP3/MP4/record function.  Transmit data by USB line build-in watch strap.  With a memory capacity of 500 pieces telephone directories.

There are two types of protocols for STV11: SMS, another is GPRS(support TCP and UDP). The former is suitable for personal monitoring, the latter is suitable for center monitoring.

SMS type: means the tracker would send data back via short message.

Based on GSM/GPRS and GPS, you can locate and monitor any remote targets by SMS or GPRS.