28 Jul 0.28 Inch ThreeLine Voltage Meter Mini LED Digital Voltmeter Gauge Blue, 8 Pack
It can work with 5V, 9V, 12V and 24V. Display mode: 0.28" LED, red, blue, green, yellow (multicolor options). Installation opening: 23×10 mm. Working humidity: 10～80% (no condensation). Working pressure: 80～106kPa....