1. Comfortable collar design, your pet can go anywhere with it. 2. You can use your mobile phone to track the location of the target in real time, so you are not afraid of losing your pet. 3. When the pet is in an area where there is no GPS signal in the house, you can activate the WiFi positioning function on the APP, which has higher accuracy. 4. For the route passed, check the time, location, etc. on the mobile APP at any time, check the location in real time, and accurately locate the historical track. 5. Set the pet travel range on the mobile APP. Once the pet leaves the set area, an alarm will be issued. 6. Parameters: Charging method: USB Battery capacity: 800mAh Four-band system: 850/900/1800/1900MHz Operating system: Android and iOS Positioning method: GPS +AGPS+WiFi+LBS