Product information：

Size: 64mm x 46mm x 17mm(1.8”*2.5”*0.65”)
Weight: 40g
Network: GSM/GPRS
Network frequency band: 850/900/1800/1900Mhz
Chip: UBLOX chip
GPS sensitivity: -159dBm
GPS accuracy: 5m
First start time: Cold status 45s
Warm status 35s
Hot status 1s
Car charging voltage: 12-24V input
5V output
Handheld charging voltage: 110－220V input
5V output
Battery: Chargeable changeable 3.7V 800mAh Li-ion battery
Standby time: 24hours
Storage temperature: -40°C to +85°C
Working temperature: -20°C to +55°C
Humidity: 5%-95% non-condensing

A:  One electric one wire