Features: Universal 12V/24V Digital Voltmeter delivers ±0.1V accuracy monitoring for automotive electrical systems, suitable for car and practical trucks. Features shock resistant ABS housing and clear LED display visible in sunlight/night conditions with tool release 2 wire installation. Essential for DIY mechanic, recreational vehicles owners, and commercial fleet operators requiring reliable battery voltages tracking. Optimizes electrical diagnostics during night driving, off grids adventure, or workshop maintenance with quick voltages feedback. This waterproof digital voltages meter head simplifies vehicle upgrades through its compact design and permanent voltages fluctuation alerts. Specifications: Material: Plastic Measuring voltages ranges: 8-36V Size:Approx.50x25mm/1.96x0.98inches Light Type:Red//White/Green Package Includes: 1Pc Digital voltages Meter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.