Description: Voltmeter ammeter voltage range is DC 0-100V, current range is 0.0-50A. The multimeter can clearly display voltage and current at the same time, red for voltage, red for current. Can be installed on anywhere flexibly. The voltage ampere monitor gauge is powered by the circuit being measured, no need to connect extra power source. This volts amp tester is designed with built-in trimmer potentiometer, enable you to calibrate the meter easily. Specification: Material: PCB Board Color: Black LED Display Color: Red Size: Approx. 20.5x41mm/0.81x1.61inch Measurement Range: 0-100V External shunt specifications: 75m? Working power: 4-30V DC power supply with reverse polarity protection Local power consumption:
