Specification:1， SOS one key help: In case of emergency， press the SOS button， which issued a distress message to the guardian.2， triple Location: GPS satellites， base station， WIFI indoor positioning (the latest features， high accuracy)3， micro-channel intercom， SMS Push4. Smart Eco: GPS off mode power.5， remote monitoring: high sensitivity microphone， voice user in an emergency situation， real-time monitoring equipment surrounding.6， two-way conversation: between users can talk to each other， you can set three family number real-time call.7， children between the new call: You can set 10 children baby phone call (the latest features yo!)8， the electronic fence: device-centric to designate an area on the map， the area immediately APP and SMS alarms.9， the historical trajectory: anytime queries within three months running track.10， the time display: GPS precise timing， without having to manually adjust the time.11， pedometer: walking a few steps quantifiable user.12， love rewards!