Features: Stay connection and secure with the 4G trackers G62, offering real time location tracking, SOS emergencies alerts, geo fencing, and two way communication for comprehensive safety monitoring. This plastic built tracking device features anti tamper design, 3 month historical trajectory storage, intelligent power saving modes, and multi platform control via mobile app, PC, or GZH interfaces. Designed for concerned parents, caregivers, and pet owners, it ensures 24/7 protective for children, elderly relatives, or valuable assets through reliabled 4G networking connectivity. Monitor school commutes, outdoor adventures, or vehicle movements effortlessly while maintaining discreet tracking through its compact pendant design and class mode disturbance blocking. With advanced functions like remote shutdown/reboot, 50 contact whitelist management, and anti loss device locating, this trackers redefines intelligent security solution for professional use. Specifications: Component:Plastic Size: Approx.57x45.6x21mm/2.24x1.8x0.83inch 4G frequency band-CAT1: Working voltages: 3.5-4.2V (3.4V low power automatic shutdown) Charging current: charging 5V 500mAh (current can be set according to different battery capacities) Battery: 3.7V 950mAh Package Includes: 1 Set Tracking Device note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.