Almencla LED Panel Meter DC 0-100V 50A Dual Display Digital Voltmeter Ammeter plus Shunt

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 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:<20MA - Refresh rate: about 300ms/times Package Includes: 1 piece Digital Voltmeter Ammeter Note: The yellow & red line connects positive of power