Magnetic Mini GPS Real Time Car Locator Tracker GSM/GPRS Tracking Device US GF07
Expansion Card: Mini TF card. - Machine Battery: 3.7V 400mah lithium ion battery. - Standby Current: material 2.5 mA. - Humidity range 5%-95% non-condensing. - Storage temperature: -40 °C to + 85 °C.