The E-flite Power Meter is designed for in-line monitoring of Volts, Amps, Watts, and Capacity, based on the MODE you select to display on the digital LCD screen. For pilots who fly any electric airplanes and desire to accurately set up their airplanes for maximum performance. The Power Meter does not include connectors so you can customize the meter to fit your needs. Features: - Current Display Range: 100mA - 120A - Voltage Display Range: 4V - 50V - Power Display: 6000 Watts - Current Resolution: 0.1A - Voltage Resolution: 0.1V - Power Resolution: .1 Watts - Capacity: Up to 9999mAh