Meco 100v Dc 12v Car Digital Volt Meterr Ammeter Led Light Amp Volt Meterr

Description: Color: Like the picture show Quantity: 1 pc Size: 482926 mm Display: Two color blue and red digital Working voltage: 4-30V DC Working current: <10mA Measuring range: DC 0-100V 0-100A (more than 10A need shunt) Refresh rate: about 200mS/times Measure accuracy: 1% ( 1 digit) Operating temperature: -10 to 65 Working pressure: 80 to 106 kPa About wiring: Red line thin: power supply+ Black line thin: power supply - Red line (thick): PW+ measuring terminal voltage input positive Yellow line (thick): IN+ current input Black line thick: COM, common measuring Package Included: 1 X Digital Voltmeter Ammeter LED Amp Volt Meter 1 X Shunt