... current>2A, with ammeter direction, the accuracy not lower than Class 2.5, with auto overcurrent protection, reset buttonc, AC low ... adustable, with ammeter direction, the accuracy not lower than Class 2.5, with auto overcurrent protection.b, DV steady voltage ... consecutively, with ammeter direction, the accuracy not lower than Class 2.5, with auto overcurrent protection.c, two channel AC 220V ...