Features: Convenient electronic fence: Set the electronic fence freely through the mobile APP. When the pet leaves the set area, the APP will automatically alarm to ensure the safety of the pet. Multiple positioning modes: GPS/AGPS/WiFi/base station multiple positioning modes, more accurate positioning, up to 90 days of historical trajectory storage playback, always grasp the pet dynamics. All-weather guard: Free APP, real-time positioning, all-weather guard your pet, so that you care about the safety of pet at all times. Durable collar: Freely retractable composite material woven collar, reliable and durable, suitable for various pet sizes. Waterproof design: P67 waterproof design, allows pets to move freely in any environment. Specification: Optional Color: Orange / Green Material: ABS+PC APP: 365GPS / GPS365 Tracking system: APP+Web Support: Vibration alarm and Sound callback Positioning methods: GPS+BDS+AGPS+Wifi+LBS GPS location accuracy: within 10 meters outdoor WiFi location accuracy: within 50 meters indoor LBS location accuracy: above 100 meters indoor GPS tracker Working temperature: -2070 GPS tracker working humidity: 20%80% Battery Capacity: 700mAh Item Size: 60.3mm*33mm*18.8mm Package Size: 120*90*32mm Package Weight: 130g Package list: 1*Dog Collar 1*Tracker