Voltage Range: 2.5-30VDC Current Consumption: Less than 30mASampling Rate: 20msResolution: 0.01VDigital LED 3-digit displaySelf-powered from DC Voltage being measuredFloating decimal point for better resolution below 10VIP67 Rated, Completely SealedReverse polarity protection2-Wire DesignHoused in a uni-body polycarbonate case, providing protection against moisture/dust/vibrationFits ins a standard Contura switch cutout