GTIWUNG 5Pcs 4V-100V DC Car LED Digital Voltmeter Display, Round 2 Wire Voltmeter Voltage Monitor Gauge Display for Motorcycle Boat Truck Camper Caravan ATV UTV Marine(Blue)

• ★ Voltmeter: It can measure and display voltage data in real time, and the measurement range is 4V-100V; Allowing you timely grasp the state of battery voltage between full charged and discharged of this dc voltmeter.
• ★ Real-Time Voltage Display: Digital voltmeter display-accurate 3-digit LED digital display. With blue LED indicator, the numbers are easy to read, and the display is clear at night.
• ★ Premium Material: Made of high-quality ABS plastic, waterproof and durable, with reverse connection protection, the circuit will not be burned.
• ★ Easy to Install: Mini size and easy to install, just install the voltmeter in the 30mm hole on the panel, connect the wires and use it directly, very suitable for checking voltage, long service life.
• ★ Wide Compatibility: Car voltmeter gauge are widely used in Cars, Motorcycles, RV, SUV, Off-road, ATV, Boat, Marine, Ship, Truck, Tractor, substation automation, distribution automation, test equipment, voltage regulator, etc.

Features: This voltmeter can accurately measure DC voltage from 4V-100V. If it is lower than 4V, it cannot be displayed, and if the input voltage is higher than 100V, it may be permanently damaged. LED display, easy to read even in the dark. Keep abreast of battery voltage status for monitoring battery voltage and voltage measurement of other products. Helps you keep abreast of battery voltage status between full charge and discharge with this DC Voltmeter. Reverse connection protection, positive and negative connection will not burn, reverse connection cannot be displayed. Widely used in automobiles, motorcycles, bicycles, substation automation, distribution automation, test equipment, voltage regulators, etc. Specifications: Display mode: three-digit circular LED digital tube Display color:blue Lead length: 20cm Dimensions: Diameter 33.8mm Hole size: diameter 30mm Working temperature: -10℃-65℃ Measuring range: 4V-100V Power supply range: 4V-100V Minimum startup: 3.8V Allowable error: ±1% Input resistance: >100KΩ Working current: <12MA Refresh rate: about 300mS/time Package include: 5 X circular LED digital voltmeter