eMagTech DC 12V LED Digital Display Modified Voltmeter Motorcycle Mini Waterproof Accessories for Automobile Bicycle Blue

DC 12V motorcycle voltmeter: LED display, light, compact and easy to use, it is an ideal choice for monitoring the battery condition. Design: The LED indicator performs self-inspection when it is started. The large and bright LED display screen has clear reading and is waterproof and shockproof. Voltage monitoring: When the voltage is lower than 11.5 V or higher than 19.8 V, the voltmeter flashes continuously. Widely used: Automobile, motorcycle, bicycle, transformer automation, distribution automation, test equipment, voltage regulator, etc. Easy to install: Only two wires, red with positive and black with negative.