1Functions: Remote pickup, remote recording, voice activated callback, voice activated recording, high definition silicon microphone WIFI+LBS+AGPS positioning. 2Application: Real time tracking, historical track, vibration burglar alarm, electronic fence, built in strong magnetic, multiple power saving modes, low power alarm , remote switch machine. 3SOS Security Design: In case of emergency, press the SOS key, that is, to send a call and information to the guardian for help. And if device were loss, you can find by mobile App. 4More Functions: Pedometer to measure the user's walking data. Alarm clock set by Guardian Mobile Phone App. Highly sensitive microphone that monitors the surrounding sound in real time. 5Anti Interference Mode: Set the non interference time range through the guardian's mobile phone APP, and shield the incoming calls from the equipment.