Description: Our product is used to measure the voltage of the car power supply, the measuring range is 8~16V, the data is accurate.Numbers and pointers directly show the voltage. Our products are highly sensitive and easy to install, and are suitable for most vehicles with a voltage of 12V. This product is made of ABS. The diameter of the product is 5.2 cm. This product is suitable for 12V car general. Item Name: Volts Meter Material: ABS Input Power: 12V Shell Color: Black Backlight Color: White Size Details: Diameter: 5.2cm/2.05'' (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. It is strongly recommended that professionals install it. Package Includes: 1 x Voltmeter 1 x Bolt Pack 1 x English Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.