0.36 inch LED Digital Voltmeter Motorcycle Car 2 Wires Voltage Meter Gauge, Red, 501 Original

2 Wires 0.36 inch LED Digital Display Panel Voltmeter for Motorcycle Car Volt Tester Detector Voltage Meter GaugeFeature:High precision.Low start working voltage, red low 4.5V, green low 4.7V, blue low 5.0V.With reverse connection protection, it will not burn if connected reversely.Ultra-low cost, high precision meets most application requirements.Specification:Measuring range: Red DC4.50-30.0V, Green DC4.70-30.0V, Blue DC5.00-30.0VPower supply range: No need for additional power supply, directly use the measured voltage as the power supply, the range is the same as aboveHigh input: DC30.0V. Note: Input voltage higher than 30V may be damaged!Allowable error: ±1%; when greater than or equal to 10V, the error is ±0.3V; when less than 10V, the error is ±0.10Input impedance:> 100K ohmWorking current: Red