Mini Global Locator Real Time Kids Pet GPS Tracker GSM/GPRS/GPS Tracking£» Description£º This product, based on GSM/GPRS network and GPS satellite positioning system, is aimed at remote target positioning and monitoring via SMS or Internet. Features£º 1 GSM frequency band: 850/900/1800/1900 2 GPS continuous positioning, GPRS regular reporting; 3 Battery: 500mAh,3.7V built-in battery 4 Operating voltage: 3.3--4.2V DC 5 GPS positioning time: cold boot ¡Ö38s (Open sky) warm boot ¡Ö32s (Open sky) hot boot ¡Ö2s (Open sky) 6 GPS positional accuracy: 10m (2D RM) 7 Operating ambient temperature: -20¡æ¡«+50¡æ 8 Operating ambient humidity: 20%¡«80%RH 9 Overall size: 41(L)*33(W)*15(H)mm 10 Color£ºBlue 11 Plug£ºUS Notes: Please use a SIM card adaptable to 2G-GSM network; Terminal SIM card needs to open up the caller ID display function. The PIN code of terminal SIM card closed. Terminal SIM card needs to open up the GPRS function. Package Content£º 1 x Mini GPS Tracker 1 x Lanyard 1 x Power adapter 1 x USB Cable 1 x User Manual