Weight: 120g Network: GSM/GPRS Band: 850/900/1800/1900Mhz GSM/GPRS Module: Simcom300d or Simcom340d GPS Chip: SIRF3 chip GPS Sensitivity: -159dBm GPS Accuracy: 5m GPS Start time: Cold status: 45s, Warm status: 35s, Hot status: 1s Voltage of car power system: 12 V -24V Backup battery: Chargeable 3.7V 800mAh Li-ion battery Storage Temp. -40 to +85 Operation Temp. -20 to +65 Humidity 5%--95% non-condensing Package Content: 1 x TheCoolCube Vehicle Car GPS Tracking Device by 1 x GPS Antenna 3 meters long 1 x GSM Antenna 1.5 meters long 1 x Harness(10pin) 1 x Electronic Relay(12V 40A) 1 x Lapel microphone(1.5m long) 1 x CD (GPS Manage Software) 1 x Card slot for SIM 1 x User Manual