1Colorful LED backlit lights, clear and bright, nice-looking and easy for reading. 2With high-speed stepper motor, making it has faster response. 3Simple installation, direct replacement for the old or broken one. 4Strong versatility, this gauge suitable for most 12V car models. 5Manual switch button backlight color, simple and convenient.Condition: 100% New Item Type: Car Voltmeter Material: ABS, Aluminum Applicable Models: 12V Vehicles Driving Voltage: DC 5V Drive Mode: 1/64 Microstep Drive Current: 30ma Maximum Working Temperature: -40 - 105 Storage Angle: 340 Origin Position Accuracy: CCW:-1.5~0.5 Noise: 22 bda Maximum Life Time: 2000 hour/min Backlight: 7-Color LED Lights (White, Red, Green, Blue, Yellow, Cyan, Purple) Button Backlight Color Switching: Manual Digital Tube Three-bit Blue-light Pointer Driven: High Speed Stepper Motor Pointer: Red Dial Surface: White Numbers Black Base Scale: White Shell: Black Cover Ring: Black Circle Mounting Hole Size: Diameter: Approx. 52mm/2in1 x Voltmeter&nbsp1 x Wire Harness1 x Instruction