Type:Gps Tracker Use:Tracking kn outsment,Fleet Management. Screen Size:no screen Function:GPS GSM ng,movement geo fence alarm Warranty:2 Years color:black GPS Chip:SIRF III chip GSM GPRS Module:SIM900 GPS Sensitivity:-159 dBM Battery:Chargeable changeable 3.7V 800mAh Li-ion battery Network:GSM GPRS Memory:2G Weight:50g GPS accuracy:5M GSM Frequenc 1900