Full Programmable DC Combo Meter DC 0-90V 0-200A Voltage Current Energy Power Watt Battery Monitor for Car Motorcycle Vehicle Automotive, etc &hellip; Equipped with an internal programmable alarm To run a generator when needed or to turn off devices when the reading reaches a set threshold Optimized for 5V up to 90V battery systems Displays voltage, current, consumed amphours, Power Shunt selection capability, enables flexible system