Functions: Support website platform/mobile App/SMS query location information, historical location view, SOS, sports pedometer, remote voice monitoring, low battery alarm, electronic fence, two-way call,. Helps keep your pets safe.Design: Ingenious design, easy to carry.material makes it durable. With a pet collar, you can tie it around your pet's neck and never worry about losing it again.Activate the product with a SIM card: the alarm function helps to ensure your safety. Also features IP67 dust and short-term immersion protection.Advanced GPS positioning: Use multiple positioning methods such as GPS+AGPS+LBS+WIFI. In addition, the quad-band global GSM+GPRS system ensures you get accurate location information and fast positioning speed.Support remote operation: Equipped with a high-sensitivity microphone, it can listen to the sound around the tracker in real time.