... Odometer, RFID reader, LCD screen, fuel sensor vehicle gps equipment, vehicle gps product, vehicle gps camera, vehicle tracker, ... 32mmPower Specification: Backup Battery: Built-in Rechargeable Battery Power Voltage: DC 9V-55VEnvironmental Specification: Operation Temperature: -20ºC ... +85ºC Operating Humidity: 5% to 95% vehicle gps equipment, vehicle gps product, support LCD, camera, Canbus, RFID, ...