"INPUT 110 V,SINGLE PHASE,60 HZ,OUTPUT 0-30 AMP AT 0-30V,SPECIALLY CONTROLLED RIPPLE,INCLUDES FINE VOLTAGE CONTROL,SPECIAL DIGITAL AMPERE-HOURS AND PREDETERMINING COUNTER,REVERSING SWITCH,ON-NORMAL-REVERSING-HI SCALE-PD INDICATOR PILOT LIGHTS,AUTOMATIC INSTANTANEOUS SAFETY CUT-OUT SWITCH,VOLTMETER,DUAL RANGE AMMETER,LEADS AND PLUGS"