feature: Advanced GPS Positioning: : Use multiple positioning modes Such as GPS+AGPS+LBS+WIFI. There are also four The global GSM+GPRS system ensures that you have accurate Location information and quick positioning. Multi-function: : Support GEO-Fence tracker, history record location censorship, SOS, device lookup, alarm clock, don& 39;t Disturb mode and pedometer. Helps keep your pet safe. Exquisite and Refined Design: : Weighing only 28 grams, it is Easy to carry. High quality material makes it durable. Bring a pet collar, you can tie it around your pet& 39;s neck, don& 39;t worry About losing it. Remote operation: Support remote operation, high Sensitivity microphone to hear surrounding sounds real-time tracker. Also, you can turn off trackers or Restart it via remote operation. Security & IP67 Protection: Use SIM card Activate the product. An alarm function helps keep you safe. Also has IP67 protection against dust and short periods of time soak. (Note: SIM is not included ) Note: This product only supports 2G network use environment. Specification: Support positioning mode: GPS+AGPS+LBS+WIFI Quad-band system: 850/900/1800/1900MHz Applicable operating system: Android & iOS Protection class: IP67 Built-in battery type: 3.7V 500mAh lithium battery 802035 Material: ABS Color: blue, red (optional) Item Size: Approx. 53*27*22mm/2.24*1.06*0.86in Product weight: 28g/0.98oz Package size: 12*9*3cm/4.72*3.54*1.18in Package Weight: 104g/3.66oz packing list: 1* GPS Tracker 1* Pet Collar 1* Charging cable 1* Chinese and English user manual