1、VU meter with driver boards, moisture-proof adjustable resistor, long service life. 2、With back light allows you to use it at ease even in the dark environment. 3、It can be connected directly to the amplifier output. 4、Premium material case and selected top quality electronic parts. 5、Widely used in audio recorder equipment. High accuracy and stable performance. VU meter made of premium material and selected top quality electronic parts. Equipped with back light for convenient use. Features: VU meter with driver boards, moisture-proof adjustable resistor, long service life. With back light allows you to use it at ease even in the dark environment. It can be connected directly to the amplifier output. Premium material case and selected top quality electronic parts. Widely used in audio recorder equipment. High accuracy and stable performance. Specifications: Material: ABS + Metal + PC + PMMA + Electronic Component Color: Black Type: Yellow Backlight / White Backlight (Optional) Quality: 2 Pcs Input: 6-12V 55mA Measuring Range: 0-500μA DC Internal Resistance: 650Ω ± 10% Insulation Resistance: Above 50Ω Accuracy: ± 5% Light: DC 12V LED Pointer Direction: From Left to Right Working Direction: Vertical Pointer Length: 21.5 ± 1mm Pointer Width: 0.45 ± 1mm Item Size: 4.5 * 4.7 * 4.5cm / 1.8 * 1.9 * 1.8in Item Weight: 90g / 3.17oz Package Size: 11.5 * 6.0 * 5.5cm / 4.5 * 2.4 * 2.2in Package Weight: 108g / 3.82oz Package List: 2 * UV Meter with Driver 2 * UV Meter with Driver