Features: 1Pointer Type: VU meter adopts a pointer type dial the measurement result is accurate and the measurement result can be displayed directly. 2Easy to Install: The VU meter is a basic tool in acoustic equipment easy to install excellent performance and long service life. 3Wide Application: The ABS VU level meter is suitable for DIY recording studio family vehicle devices replacement meeting your different needs. 4Premium Material: Made of premium ABS PMMA the VU meter is anti static anti vibration sturdy and durable with a long service life. 5High Accuracy: The pointer type design makes the DB level meter highly accurate and the meter can directly show measurement results for users. Specification: Item Type: VU MeterMaterial: ABS PMMAWeight: Approx. 103g/3.63oz Color: As ShownPanel Size: Approx. 7.5x8cm/2.95x3.15in Internal Resistance: 0.775V 3.9KPointer Material: Zinc White CopperPointer Color: BlackDirection of Pointer Swing: Left to RightPointer Length: Approx. 361mm from Needle End to AxisPointer Width: Approx. 0.450.05mmUsage Direction of VU Meter: VerticalSuitable: For DIY Recording Studio Home Acoustics Car Acoustics Etc Package List: 1 x VU Meter Note: 1. If your backlight type is bulb you need to connect to the output port of 10V voltage to light the backlight.2. The type of drive header must be the DC drive header.3. Pay attention to the backlight power supply voltage of the meter head and then receive the corresponding backlight output port. Generally The LED is connected to 5V and the bulb type is connected to 10V.4. If there is noise it is recommended to power the drive board separately. Do not share the power with the power amplifier to avoid common ground noise.