DC 12V 24V Battery Voltage Meter Waterproof LED Digital Display Voltmeter Panel Come with Mounting Plate Round,Connecting Cables and terminals for Boat Marine Motorcycle ATV(Green Light)

JAMHER DC 12V 24V Waterproof Car Voltmeter with LED Digital Display Panel and Mounting Plate Round Voltage Gauge Meter with Terminal kit Applicable for: The car voltmeter with LED light is suitable for motorcycle, boat, caravans, travel trailer, applicable in monitoring the voltage of the storage battery and measuring other product. Easy to Install: 1.Drill a hole with about 3mm 2.Put the panel on the hole and insert the voltmeter, Unscrew the nut on the charger. Place the charger in the hole and tighten the screw ring to the voltmeter 3.Connect red wire to plug(+)and black wire to the plug (-) 4.Connect "+" to the positive pole of the battery, "-" to the negative pole Why do we need a voltmeter？ With a precise 3-digit LED voltmeter, you could better monitor the starting battery voltage or charging rate when driving your car. So it can avoid the voltage if is too high or too low to affect the normal operation of your car, thereby helping to extend the service life of the car battery. <12V:Please charge or replace the battery as soon as possible 12V-12.8V:Normal voltage range before starting 12.8V-14.8V:Normal voltage range after starting Package includes: 1 * Green digital voltmeter 1 * surface mount 1 * round nuts 2 * screws 2 * insulated terminals 1 * 23.6 inch connecting cables

• Function: Helps monitor the battery level of the car and easily ensures that the amount of power you use during work does not exceed the system's capacity to generate, thereby avoiding battery depletion
• The rating of this battery voltage monitor is DC 8-48V, and its accuracy is 0.1V. With the precise 3-digit LED digital voltmeter, you can better monitor of the car's battery voltage status, helping to extend battery life
• The 12V round voltmeter comes with a panel and a nylon nut, which can be mounted separately on the 29mm diameter mounting hole or fixed on the matching panel, so that it could meet your different mounting needs
• Material: Made of copper and ABS plastic material, with built-in fuses for wiring, providing excellent protection against overheating, overcurrent, overvoltage, overload, and short circuit. Waterproof design, able to continue working in humid environments
• Easy to read: The bright and clear LED digital display screen allows for clear reading under any lighting conditions; Easy to install: equipped with mounting plates, fastening rings, shovel connectors, and screws for easy installation and wiring