American Audio MKII DB Sound Volume LED Display Monitor Device for Amp Rack

Display monitor device designed for lighting effects; Not an actual decibel meter Creates a beautiful and vibrant light show in your amp rack Display progresses from green, through amber, to red 2 separate modes: dot and bar Voltage Operation: DC 5V, 500mA Power Supply included Dimensions: (L x W x H): 19 x 1.75 x 1.75 Weight: 2.5 pounds Manufacturer warranty: 1-year warranty