The mains adapter enables battery-saving mains operation, especially when measuring the multimeters with internal memory. For METRAHIT 27M, 27I, 28C, 28S, 29S and 30M due to changes in plug connections from year of construction 2004
Wide range input: 90 - 253 V AC, 50 - 60 Hz, 12 VA
Output: 5 V DC, 600 mA