Murata Power Solutions DMR20-10-DCM 2-Wire, Self-powered, Auto-Ranging DC Voltage Monitor is designed to measure and display the outputs in DC power systems. The DMR20-10-DCM monitor can be connected to any power source between 6VDC and 75VDC and it is completely functional and doesn't require any additional parts or power sources. This auto-ranging DC voltage monitor displays DC voltages accurately with 0.01V resolution in the LO range (below 51V) and 0.1V resolution in the HI range (above 51V). DMR20-10-DCM monitor features an operating temperature range from -25°C to +60°C. Typical applications include automotive, industrial, and telecommunication.