The Toolkit WM150 Watt Meter is the essential tool for all your electric flight! It features a 1.0-50.V power supply, supports PWM signal and 2.4-inch color screen display.FeaturesToolkitRC WM150 is a Watt Meter, which is capable to test voltage, power, current data of the electric equipment, like a servo, ESC, battery, etc.1-50V power supply, the max current is up to 150A, the precision is accurate to 10mA.Support PWM signal, 1us precision, the pulse width is changeable by adjusting the button.Automatically to change the unit of the capacity, when it is lower than 1A, the unit-display is MA, when it is higher than 1A, the unit-display is changed to A.The wattmeter is also supporting to display working hours.USB firmware update, easy to operate.SpecificationsBrand: ToolkitRCItem: WM150 Watt MeterInput Voltage: 1-50VCurrent(Max): 150A (precision:10mA)USB: 5.0V@1A ( USB3.0 firmware update)Output: PWM 1000-2000us@50HzDisplay: TFT 2.4" LCD Screen(320*240 resolution)Product Size: 80*54*23mm Approx.Packing Size: 87*87*28mm Approx.Net Weight(Approx): 120gGross Weight(Approx): 140gManualIncludes1 x ToolkitRC WM150 Watt Meter1 x USB Wire1 x Manual