Features: 1.Wide Application: This voltage gauge is universal for 12?24V cars, motorcycles, ships, yachts, has a wide range of application. 2.Waterproof Design: Waterproof design, effectively prevent rain water into the voltmeter damage. Intelligent control chip, fire prevention and high temperature. 3.LED Display: LED digital display, this voltmeter gauge is easy to read, real time monitoring of battery voltage, easy for you to know the status of the battery. 4.Easy to Use: Small size and easy to install. Fire protection and resist high temperature. Safe and convenient to use. 5.Matte Texture: Use transparent matte texture, can better integrate with the car, in line with overall style. Specification: Item Type: Car Voltmeter_x000D_ Material: ABS_x000D_ Color: Black_x000D_ Input Voltage: 12-24V_x000D_ Output Voltage: 5V_x000D_ Output Current: 4.2A_x000D_ Power: 45W_x000D_ Application: Universal for 12-24V cars, motorcycles, ships, yachts and other electronic products. PackageList: 1 x Car Voltmeter 2 x Heat Shrinkable Tube Note: Please note that the backlight color of this product will be sent randomly, please make sure you don't mind before ordering.