Dc Voltage Display / Dc Voltage Measuring Gauge

0.56" LED Digital Voltmeter Voltage Meter Measuring Range: DC5.00 ~ 30.0V The highest input DC30.0V If the input voltage higher than 30V, it may be permanently damage the voltmeter Allowable error ± 1%; greater than or equal to 10V, the error is ± 0.3V; less than 10V error ± 0.10 Input impedance : > 100K ohms Refresh speed: about 300mS time Display mode: three " 0.56" LED digital tube Opening size: about 46 x 27 mm / 1.81 x 1.07 in Operating temperature: -20 Degrees Cel. to 65 Degrees Cel. Note:Low starting voltage, red minimum 4.5v, green minimum 4.7v, blue minimum 5.0v NOTE 1.As different computers display colors differently, the color of the actual item may vary slightly from the above images.