1. APP&APK:android 2.3& IOS 6.0 2. Network:GSM/GPRS/GPS/WIFI 3. Build-in memory:32MB 4. Battery:350mAh, rechargeable battery 5.Frequency:GSM 850/900/1800/1900Mhz GSM:MT2503D GPS Sensitivity:-159dBm GPS Precision:10M(2D RM) LBS Precision:100-1000M 6. Charging time:2-3 hours, sandby time:about 4 days, use time :1-2days 7. Charger indicator: light 8. Button:SOS/Power High quality GPS pet locator 1. Waterproof grade up to IP67 2. WiFi + GPS + lbs multiple accurate positioning Note: This locator supports 2G frequency band and does not support frequency bands above 3G. It cannot be exported to countries and regions that do not support 2G network (such as Japan, South Korea, Australia, Singapore, Canada, TaiwanChina)