VA-6000EM Microphone Extension Unit Datasheet Manual Firmware FeatureOnekey zone/ group selection, easy to understand and operate1.Clear working status of different zones.Specifications:ModelVA-6000EMDC Power Power Supply5V DC, ±3%Maximum Current0.1 APower Consumption0.5WMachine Index Size ( L x W x D )66 x 52 x 149mmWeightAbout 0.5 KgMountingDesktopColorBlackEnvironment Operation Temperature+5℃~ +40℃Storage Temperature-20℃ ~ +70℃Relative Temperature<95% (No condensation)