Feature:1. Highaccuracy VU meter head, pointers are sensitive and accurate in measurement.2. Suitable for various scenes such as DIY, recording studio, mixer, home audio, etc.3. The installation is simple, the backlight function can be turned on or off, and it is convenient to use.4. Made of highquality ABS material, wearresistant and durable, not easy to damage.5. The VU meter with high definition yellow backlight, it can be used normally at night.Specification:Item Type: VU MeterMaterial: ABSProduct Size: Approx. 4.5 x 4.5cm or 1.8 x 1.8inInternal DC Impedance2.3K10 percent Insulation Resistanceandgt 50BacklightYellow 1.8-2.6V 20mAMaximum Current Sensitivity112uA10 percent Friction1mmPointer Length17.31mm From the pointer end axesPointer Width0.450.05mmInstallation PositionVerticalTest EnvironmentTemperature 20, Humidity 70 percent .Package List:1 x VU Meter