Function: 1 . With a backlit display, you can achieve the effect even in low-light environments. 2. The VU meter is equipped with a control board, which is compact and useful for introduction. 3 . Wiring is simple, operation is used, and wiring can be used on time. 4. Wide application, DIY tax, utility audio equipment, audio conversion to car, etc. 5. Control board for adjusting the backlight and tilt amplitude of the indicator. Specification: Item Type: VU Meter Material: PCB ABS Kolor: how it was created in the drawing Meter size VU: approximately 15,5 x 4,8 x 3 cm/6,1 x 1,9 x 1,2 inches Control board size: about 6x5x2.5cm/2.4x2x1in VU meter: Current Sensitivity: 500uA ± 10% Internal DC Impedance: 650 Ω ± 10% Insulation resistance: 50MΩ Friction: ±1mm Indicator length: 30 ± 1 mm from needle end to axis Width ratio: 0,45 ± 0,05 mm Position installed: vertical Backlight Board: 3.0-3.3V 60mA Driver's plate: Power supply: AC/DC 12-16V ≥5W Receipt Input: ≤0,775 V Backlight output power: 1,25 V-11 V 50 mA List of ingredients: 1 x VU meter 1 x Control Board 6 x Flat Cable