Specification: - FPS Antenna: Built-in passive antenna - Communication method: GPS/LBS - Battery capacity: 500mAh - Voltage range: 3.7-4.2V - Working ambient temperature: -20°C~70°C - GSM frequency band: GSM850/900/1800/1900MHZ - GPS Receiver: High Sensitivity GPS Receiver - Waterproof function: life waterproof - External power supply form: USB - Alarm mode: vibration alarm, power failure alarm, mobile alarm, fence alarm, overspeed alarm Package Content: 1 x Mini Magnetic GPS Tracker 1 x USB Charging Cable 1 x User Manual Note: require a valid sim card that can be purchased from any internet service provider