Waterproof Pet GPS Collar

Waterproof Pet GPS Collar Note: This product only supports use in 2G network environment. Support Locate Mode: GPS+AGPS+LBS+WIFI, Quad-band System: 850/900/1800/1900MHz Suitable OS: Android & iOS, Protective Degree: IP67 Built-in Battery Type: 3.7V 500mAh Lithium Battery 802035 Material: ABS Color: Blue Size: Approx. 53*27*22mm/2.24*1.06*0.86in Weight: 28g/0.98oz Package List: 1 GPS Tracker, 1 Pet Collar, 1 Char I don't have a pet I don't know how it works, and it is also for a very small pet