Features:- Excellent design: It is compact and light weight and does not burden pets, looks very cute.- GPS function: The pet tracker can locate your pet anywhere, you can see the pet’s location and movement on your phone. - Security Fence: You can set a zone around the tracker that will be alerted immediately when the animal enters or leaves the area. .- Callback function: Set callback number. And click the secure button, the pet tracker will automatically call the phone number you set. - Waterproof Design: It is waterproof and suitable for use in a variety of environments. - 2 location modes: Standard mode: upload location every hour, 3 - 5 days standby; Accurate mode: Download location every 30 seconds, 12-15 hours standby Working time: -20-55 degrees C Total collar length: 65cm Adjustable collar conference: 43-58cm Specifications: It is a very good pet tracker. With GPS function, it can tell you where your pet is at any time to avoid your pet lost. It can record animal tracking