Functions: [Advanced GPS Location]: Use multiple location modes such as GPS AGPS LBS WIFI. Also, the four-band global GSM GPRS system provides accurate position information and high location speed. [Multiple Functions]: Supports GEO-Fence tracker, history position overview, SOS, device search, alarm clock, do not disturb mode and pedometer. Helps protect animals. [Delicate and exquisite design]: Weighs only 28 grams, it is easy to wear. The high quality of the material makes it durable. With a pet collar, you can tie it around your pet's neck, never worry about losing it. [Remote Operation]: Support remote operation, with high sensitivity microphone, can listen to the sound around the tracker in real time. Additionally, you can disable the tracker or restart it through remote operation. The alarm function helps you stay safe. Also with IP67 protection, protect against dust and short-term soaking. Charging time: about 200 minutes Location mode support: GPS AGPS LBS WIFI Four-band system: 850/900/1800/1900 MHz Suitable operating system: Android and iOS Degree of protection: IP67 Built-in battery type: 3,7V 500mAh 802035 lithium battery Material: ABS Kolor: blue, red (optional) Item Size: approx. 53*27* mm /2.24*1.06*0.86in Position Weight: 28g / 0.98 oz Package Weight: 104g / 3,66oz List of packages: 1 * gps locator 1 * pet collar 1 * charging cable 1 * Chinese-English User Manual