1.Note: This is 4G GPS tracker:4G Bands : LTE-FDD:B1/B3/B5/B8 , LTE-TDD:/B38/B39/B40/B41Have tested in Europe and Asia, working successfully. Other Continents , please confirm with your country telecom operator, support the 4G bands above 2.The Topin Official Service platform,Android application: 365gps,iOS application: 365gps,Login ID:IMEI number,Default Password: last 6digits of imei 3. QR code scanning access:The client for the Android and iOS phones can be downloaded after the QR code has been scanned. Working Temperature:-20℃-+70℃ Network:4G:LTE-FDD:B1/B3/B5/B8 LTE-TDD:B34/B38/B39/B40/B41 Wifi:WiFi 802.11b/g/n GPS:Support external active GpS antenna,support GPS+AGPS+Wifi+LBS+BeiDou SlM slot:Support NANO sim card GPS Positioning Accuracy:Within 10 meter outdoor GPS Motion Accuracy:1 meter/second GPS Positioning Time:Cold Boot-38s(Open field), Warm Boot-2s(open field),Taffected by the environment WIFl Positioning Accuracy:Within 50 meters GSM/4G Positioning Accuracy:50-200 meters(Depending on the network) Battery:Support rechargeable 3.7V Li-polymer battery Charging port:Charging port Charging port:DC 5V/0.5A-1A(depend on your battery capacity) Sensor:Build-in 3D G-sensor Applicable to Europe and Asia. Different factory batches may have slight differences in appearance, which will not affect the applicability of the product Colour:Photo Color Material:ABS Package Contents: 1 x GPS Tracker Board Only 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.