Feature details: L SOS a key help: in case of emergency, press the SOS key, that is, the guardian sent a distress message. L dual positioning: GPS satellite and base station dual monitoring positioning to achieve real-time positioning tracking. L Intelligent power saving: GPS off mode power saving. L remote monitoring: high sensitivity of the microphone, the user emergencies, real-time monitoring equipment around the sound. L two-way call: the user can talk to each other, you can set four family number real-time calls. L electronic fence: the device as the center in the map delineation of a region, out of the area immediately APP and SMS alarm. L historical trajectory: anytime, anywhere query within three months running track. L GSM quad-band system: 850/900/1800 / 1900MHz. L Time display: GPS accurate time, no need to manually adjust the time. L Pedometer: You can measure the number of walking steps of the user. Support all countries around the world GPS positioning, APP now supports Chinese Simplified, Traditional, English, Portuguese, Spanish, German, Thai, Turkish, Vietnamese, Russian and so on more than ten languages

1: support mobile Unicom card, GPS + base station + WIFI triple positioning mode 2: support two-way call, a key help function 3: support the historical track, health step 4: support voice micro chat, SMS reminder 5: support electronic fence, Function 6: support remote shutdown, remote monitoring 7: support remote alarm