1、[Easy to Install] 2 VU meters and 1 driver board, the wiring operation is simple and novice can easily get started. 2、[High Performance] One driver board can control two VUs and three potentiometers have a clear division of labor. 3、[Adjustable] The brightness of the backlight and the amplitude of the pointer swing can be adjusted, which is a good helper for the recording engineer. 4、[Backlight Design] VU level meter has a backlight design, which can read clearly in a dim environment with high accuracy. 5、[Scope of Application] The high accuracy VU meter is widely used in DIY, home sound, car sound conversion, etc. Item Type: VU Meter Material: ABS, PCB Friction: ±1mm/0.04in Pointer Length: 70±1mm from Needle End to Axes Pointer Width: 0.45±0.05mm Maximum Current Sensitivity: 1mA ±10% Internal DC Impedance: 100Ω±10% Insulation Resistance: More Than 50mΩ Meter Installation: Vertical Backlight: White Backlight 3-3.2V 80mA Gross Weight: Approx. 392g/13.8oz Scope of Application: Suitable for DIY, Recording Studio, Medical Equipment, Etc. 2 x VU Meter 1 x Driver Board 6 x Cable 1 x Sound Cable 1 x Manual