Product Description           Product Highlights        GPS positioning collar (referred to as GPS positioning collar) is a smart positioning collar product integrating positioning, vibration and electrical stimulation. The system is composed of GPRS network module, GPS/Beidou (Global Satellite Positioning System) module, low-power wireless data transmission module, SIM card, battery and charging circuit.        The GPS positioning collar is used with the handheld. The GPS positioning collar transmits the position information to the handheld through the GPRS network module and the VHF wireless data transmission module. The handheld can display the location of the GPS positioning collar on the map. The handheld device can generate electrical stimulation commands or vibration commands to the GPS positioning collar to make the GPS positioning collar discharge or vibrate.             Main Functions    1. The handheld and GPS positioning collar need to be used together. 2. Android system integrates VHF Wireless Technology. 3. Gps/BDS, WiFi, base station multiple positioning. 4. Google Maps real-time display of GPS positioning collar location information. 5. The altitude, power and signal intensity of GPS positioning collar are displayed in real time. 6. Support offline map, you can use the map to view the location information of GPS positioning collar without network. 7. By using VHF wireless technology, handheld can receive GPS collar position information normally without network. 8. The GPS positioning collar location information can be obtained from the server when there is a network, and the use of VHF wireless technology can ensure that the GPS positioning collar is not lost. 9. GPS positioning collar history track playback. 10. Safety dog training (electrical stimulation, vibration). 11. Super long standby. 12. Fast charging. 13. IP67 waterproof.