The digits number displayed on display screen: 1) liter district: 8 digits 2) Amount district: 8 digits 3) Unit price district: 6 digits Counting range of shift totalize: Liters or amount: 8 digits(including 2 decimal digits) Counting range of liter general totalize: 9digits(including 2 decimal digits) Counting range of amount general totalize: 11digits(including 2 decimal digits)