GPS Geographic Location:europe Screen Size:Under 2 Inches Feature:waterproof Battery Life:30 Hours & Up Item Size:120mm x 65mm x 50mm Out Power:0.03W Voltage:5V Gps Module:Yes GPS type:GPS Tracker Battery Last Time:Standby mode: 240 ; Working mode: 15-20 Battery Capacity:3.7V rechargeable and changeable 20000mAh Polymer - Battery Main Unit Weight:365g Working network and Frequency:2G GSM/GPRS (850/900/1800/1900Mhz) GPS Chip and Sensitivity:UBLOX; -159dBm Location Accuracy:GPS accuracy: 5-10m; LBS accuracy: 100-2000m Applications:Car, Truck, Container, Safe, Boat etc. Features:Waterproof IP67; Strong Magnets; Voice Monitoring; Dropped Alarm; Tracking Platform:iOS and Android APP; .lkgps.net GPS Positioning:Global color:Black Material:plastic Package Contents: 1 x GPS Tracker Device 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.