Description: This voltmeter is reverse protected, and the meter is adjustable, allowing adjustment of voltage and resistance. Here is a two-wire voltmeter. A range of 2.4 to 30V can be achieved with the two-wire connection. It is made of plastic and electronic component, which is durable and lightweight. The length of the product is 3.1 cm, the width is 1.2 cm, the height is 0.9 cm. It is suitable for car, motorcycle, electromobile, electric scooter and so on, and can be used for 5V, 9V, 12V, 24V circuits. Specification: Item Name: Digital Voltmeter Material: Plastic,Electronic Component Color: Red, Green, Yellow, Blue (Optional) Detection Voltage: DC2.4V-30V Working Voltage: DC2.4V-30V Working Current: <30mA Display: 0.28-inch LED Measuring Rate: 200mS/Time Accuracy: 1 Percent (+/-1 Word) Working Temperature: -10 to 65 Degrees Celsius Features: High Accuracy, Adjustable, Convenient Package Includes: 1 x Digital Voltmeter