... buttond, Two way AC 220V outpute, DC high voltage output, 240V-300V two grade, 100MA , with auto overcurrent protection.f, With ... 2.5, with auto overcurrent protection.b, DV steady voltage output, 1.5V-24V, adjustable consecutively, with ammeter direction ... overcurrent protection.c, two channel AC 220V voltage output, 5A current, with high sensitive short-circuit protection.d, accessory equipment: ...