Description: Features: - Excellent Design: Small and lightweight, no burden on pets and looks cute. - GPS function: the pet tracker can locate your pet anywhere, you can see the pet’s location and movements on your phone. - Security Fence: You can define an area around the locator and activate an alarm when animals enter or leave the area. - Remote Monitoring: Activate the guardian’s cell phone number to keep in touch. - Callback function: activate the callback number. And click the “Security” button, the pet tracker will automatically call the phone number you set. - Waterproof design: waterproof, suitable for various environments. - 2 positioning modes: default mode: upload position every hour, 3-5 days standby; Accurate Mode:Upload position every 30 seconds, 12-15 hours standby CReg.CReg Working Temperature: -20 - 55 Deg.CC Collar Total Length: 65cm Fit Collar Session: 43 - 58cm Specifications: This is a very good pet tracker. With GPS function, it can tell you where your pet is at