["Features:\n1. the volume is ultra-small, GPS is positioned within 10 meters, and can be positioned globally.\n2. the call is clear, remote control.\n3. computer, mobile APP view baby and convenient.\n4. set up an administrative account, managing multiple devices is more convenient.\n\nSpecification:\nSize: 53*29*23mm\nWorking environment temperature: -20 ° C - +70 ° C\nWorking environment humidity: 20%-80% RH\nGSM band: 2G GSM , 850MHz/900MHz/1800 MHz/1900MHz\nGPRS: Class 12\nBattery: 500mAh\nGPS positioning degree: within 10 meters\nWorking time: 2-3days ( if set 10 minutes once positioning )\nStandby time: 6 days\nQuantity:1 Set\n\nNote:1.Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.\n 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage includes:(No Retail Packages)\n1 x Host \n1 x Collar\n1 x USB Cable"]