The BW-03 is a smart piece of equipment which monitors the battery status or batteries and displays it intelligently. The smart design with a minimum of components gives a broad range of information in the blink of an eye. The BW-03 microprocessor controlled battery monitor with under and overvoltage alarm, eight (8) programmable voltage thresholds, power save, automatic detection battery voltage, ideal for 12 / 24 VDC systems.