• A key to SOS distress: in an emergency, press the SOS button, namely to guardian sent a distress message

• Double positioning: GPS satellites and dual monitoring base station positioning all real-time positioning tracking

• Smart power-saving: GPS closed mode

• Remote monitoring, high sensitivity of the microphone, the users in emergency, the voice of the real-time monitoring equipment around

• Two-way conversations: users can call each other, can set up three affection real-time call number

• Electronic fence: equipment centered on the map drawn an area, the area of APP and short message alarm immediately

• Historical trajectory: path query three months anytime and anywhere

• Time show that GPS precise GPS clock, don't need to manually adjust the time

Specifications:

• Frequency: GSM 850/900/1800/1900MHz

• GSM/GPS: MTK6261 UBX7020

• GPS Senstivity: -159 dbm

• GPS Positioning Accuracy: 10m (2D RM)

• Gsm Positioning Accuracy: 50-200mm

• Speed Accuracy: 0.1m/s

• Maximum Altitude: 18000m

• Battery Capacitry: 3.7V 320mA

• Working temperature: -20 degree Celsius ~ 70 degree Celsius

• Humidity: 20% ~ 80%RH