Type:Gps Tracker Use:personal tracking Function:gps tracking Color:golden/rose golden Product name:realtime tracking gps necklace for kids GT017 Certificate:CE FCC RoHS(Optional) Application:GPSONE,available in IOS and google play store Battery:450mA Size:37*15mm GPS Chip:G7020 Network:GSM 2G GSM Frequency:850 / 900 / 1800 / 1900MHz Feature:sos alarm,two way communication Show More