["Features:\n000 # number # number # number # (binding three phone numbers)\n111 (SMS recording 10 minutes pause)\n222 (voice recording 5 minutes pause)\n333 (voice-activated dial-back telephone)\n444 (delete all contents of memory)\n555 (turn off all features)\n666 (vibration alarm SMS)\n777 (vibration alarm telephone)\n888 (for play the memory recording --- such as the next for play then pause after the broadcast --- if the switch for key short press pause)\n999 ( SMS Coordinate Positioning ) \n789 ( Upload 10seconds voice recorder to 365gps ftp server )\n123#1/0 ( Open/Close auto upload location data )\nVoice#1 / Voice#0 ( Sound Detection Auto Voice Recording Upload to FTP Server Listen in 365GPS APP, 1-open, 0-close)\nS3 : ZX303+400mah battery\nS7: ZX303+1000mah battery\n\nSpecification:\nMultiple Positioning Mode: GPS+ AGPS+LBS+WIFI + TF Card and APP Voice Recorder \nWorldwide GSM+GPRS 4-frequency System: 850/900/1800/1900MHz\nAutomatic for Time Update: Precise GPS for time service and no manual for time adjustment is needed \nTrack: The user's specific location can be inquired through the cell phone APP or the computer\nFence: Designate an area on the map by setting the device as the center point and the alarm will be triggered off immediately once the user of the device goes into or out of this area\nPlayBack: Inquire the moving routes of the device in the past 3 months anytime and anywhere \nSOS: In for case of emergency, press the SOS button and the device will send out the call and message for help to the guardian (long press power button 4 seconds)\nWalk: Counts the steps the user has walked\nReward: The reward is sent out through the APP on the guardian's cell phone and the reward progress can be viewed\nVoice: With the highly sensitive microphone, the sound around the device can be heard in real for time in for case the emergency happens to the user\nRemote Power-off: The device can be turned off through the APP on the guardian's cell phone\nRemote Restart: The device can be restarted through the APP on the guardian's cell phone\nIntelligent Power Saving: The device turns off/on the GPS and data upload in the for time range specified through the APP on the guardian's cell phone.\nMap: Baidu map and Google map.\nQuantity:1 Set\n\nNote:1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid.\n 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage includes:(No Retail Packages)\n1 x GPS Tracker\n1 x Battery"]