Features： 1、Wide application, mainly used for monitoring vehicles, home , children, elderly, pet, etc. 2、Support location query, track query and electricity query. Support GSM/GPRS/GPS networks standard. 3、Support voice control callback, SOS, electronic fence, bring you a lot of convenience. 4、Features 850/900/1800/1900Mhz communication frequency, which has stable performance. 5、500mA polymer lipo battery, charged by USB, convenient to use. Compact size, easy to carry and store. Specification： Item Type: GPS Locator Material: ABS Network Standard: GSM/GPRS/GPS Communication Frequency: 850/900/1800/1900Mhz Charging Method: USB charging Battery: Polymer lithium battery, capacity: 500mA (include) Dimension: Approx. 43.2 x 32 x 13.6mm/1.7 x 1.3 x 0.5in Applicable to: Mainly used for home monitoring, children/elderly/pet monitoring, vehicles (such as caravans, boats, car homes, trucks)/warehouse anti-theft tracking, etc. Package List： 1 x GPS Locator 1 x USB Cable 1 x Manual