Produino ST Master Chip 0.56" LED DC 3-Digital Ammeter - Black (DC 0~50A)
Technical parameters: Measuring range: DC 0~50A (external 50A / 75mV shunt); Maximum input: DC 50A (do not hold full-scale input); Resolution: 0.01A; Tolerance: 1% (+/-1 words); Display: 0.56" LED 3-digital tube; Display color: red; Refresh rate: about 500mS / times; Power supply: DC 4.5~28V; Current consumption: less than 20mA typically 5~15mA; Working temperature: -10'C~65'C