Battery Discharge Indicator, LCD Display, Mounting Panel Mount, Input Voltage 8 to 60V DC, less than +/-0.50 Percent Accuracy, Measures Amps, Voltage, Enclosure Rating IP65, Meter Range 12 to 48 V, Operating Temp. Range -4 Degrees to 149 Degrees F, Height 2.36 in, Width 1.02 in, Depth 0.59 in, Standards CE, RoHS