... RFID reader, LCD screen, camera gps vehicle tracker, vehicle tracking device, gps for car, gps for vehicle, car gps tracker, ... 32mmPower Specification: Backup Battery: Built-in Rechargeable Battery Power Voltage: DC 9V-55VEnvironmental Specification: Operation Temperature: -20ºC to +70 ... Humidity: 5% to 95% gps vehicle tracker, vehicle tracking device, gps for car, support Canbus J1939, OBD II, LCD, ...