Features: brand new and high quality Multiple Positioning Mode: GPS+ AGPS+LBS+WIFI + TF Card and APP Voice Recorder. Worldwide GSM+GPRS 4-frequency System: 850/900/1800/1900MHz. Automatic for Time Update: Precise GPS for time service and no manual for time adjustment is needed. Track: The user's specific location can be inquired through the cell phone APP or the computer. Fence: Designate an area on the map by setting the device as the center point and the alarm will be triggered off immediately once the user of the device goes into or out of this area. Specifications: Material:Plastic Cable Length:Approx.150cm/59.06in Net Weight:130g Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x GPS Tracker