Function: Realtime GPS/AGPS/Wifi/4G Cat 1/ LBS Positioning, SOS, Voice, Call Family Numbers, Geo Fence Alarm Reminder, historical track, Alarm Clock, Class Mode, Power Save.GPS Positioning Time: Cold Boot-38s(Open field), Warm Boot-2s(Open field), The specific time is affected by the environment.Working Temperature: -20 - +70Network: 2G+4G4G: LTE-FDD: B1/B3/B5/B7/B8/B20LTE-TDD: B34/B38/B39/B40/B412G: GSM: B3/B5/B8Wifi: WiFi 802.11b/gGPS: Support external active GPS antenna, support GPS+AGPSSIM slot: Support NANO sim cardGPS Positioning Accuracy: Within 10 meter outdoorGPS Motion Accuracy: 0.1 meter/secondWIFI Positioning Accuracy: Within 50 metersGSM/4G Positioning Accuracy: 50-200 meters(Depending on )Battery: Support rechargeable 3.7V 700mAh Li-polymer batteryCharging port: Magnetic charging portCharging Current: DC 5V/0.5A-1A(depend on your battery capacity)MIC: Built-in High-Definition Silicon microphoneSensor: Build-in 3D G-sensorMaterial: Plastic + metalcolour: greenPackage Contents: 1 x Pets LocatorOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.