Monster PRO AVS 2000 Rack Mountable Automatic Voltage Stabilizer Stabilizes power fluctuations to a constant 120 volts Three digital meters display incoming voltage, amperage draw and voltage correction Rack mountable Dimensions: 7 1/2" H x 19" W x 17 3/4" D; weight: 68.90 lbs Provides consistent 120V output when AC input fluctuates from 80-140V. Three easy-to-read digital meters for simultaneous monitoring of incoming voltage, amperage draw, and voltage correction. Automatically protects connected equipment in the event of extended over-voltage. Visual indicators for ground, line, neutral, surge protection, normal/abnormal voltage, and switched outlet statuses.