DSN-DVML-368-2 Two Line 3-Digit 0.36" LED DC Digital Voltmeter - Black + White
Measuring range: DC 4.5~30V Power supply: measured voltage Max. input: DC 30V Tolerance: +/-1% +/-0.3V(>10V) +/-0.10(<10V) Input impedance: >100kohm Working current: red <23mA Refresh speed: 300ms Display: 3-digit 0.36" LED Display color: Red Working temperature: -10~65'C