Features: Ensure your pet safety with the GF01 electronic fence navigation dog trainer, featuring precise real time tracking and intelligent geofencing capabilities for peace of mind. This durability tracking device is fully waterproof and equipped with a long lasting battery, making it ideal for all weather conditions and outdoor adventures. Perfect for pet owning family, especially those looking to manage and train their pets effectively with advanced technology. Ideal for use in various environments such as outdoor activities, park walks, and backyard management, providing comprehensive monitoring and alerts. With multiple intelligent alerts, this navigation pet tracking device ensures you are always connected to your furry friend, enhancing both safety and freedom. Specifications: Component:Plastic Size:Approx.71.6x38.5x24.5mm/2.82x1.52x0.96inch Collar Width:Approx.22mm/0.87inch Color:Black Battery Capacity:800mAh Package Includes: 1 Set Waterproof Navigation Locator 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 coloring of the item. Thanks for your understandings.