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