Features 1、Easy Operation: You will receive 2 pieces of VU meter and 1 driver board, easy to operate for beginners. 2、Backlight Display: This VU meter adopts high definition backlight display, it can be used normally at dark environment. 3、Adjustable Backlit: A drive board can control two VU, can adjust the backlight and the amplitude of the pointer swing, is a good helper of the recording engineer. 4、High Accuracy: This VU meter and driver board set features high accuracy and sensitive pointer response. 5、Wide Application: This VU meter is widely used in recording studio, mixer, home, etc. Specifications Item Type: VU Meter Driver Board Material: ABS, Printed Circuit Board Maximum Influenzae: 600uA±10% Internal Dc Impedance: 650Ω±10% Insulation Resistance: Above 50mΩ Friction: ±1mm Pointer Length: 44±1mm from Pointer End to Axis Pointer Width: 0.45±0.05mm Meter Installation Position: Vertical Backlight: 2.8 to 3.8V White Scope of Application: Suitable for DIY, Recording Studio, Etc Weight: Approx. 206g / 7.27oz Package List 2 x VU Meter 1 x Driver Board 6 x Cable 1 x Audio Cable 1 x User Manual