Check the listing for details. High Accuracy DB Level Header Audio Power Amplifier VU Meter With Backlight. Condition: New. Listed at 23.11 USD. Feature:1. With high definition white backlight, it can be used normally at night 2. High accuracy VU level header, pointer response sensitive, accurate measurement. 3. Suitable for DIY, recording studio, mixing table, home audio, and other scenes. 4. Exquisite workmanship, easy to install, it is the most basic tool in audio equipment. 5. Made of high quality ABS material, which is sturdy and durable for long time use. Specification: Item Type: VU Meter Material: ABS Color: As shown in the picture Overall Size: Approx.105x71x35.5mm/4.13x2.8x1.4in Internal DC Impedance: 500Ω±10% Insulation Resistance: Above 50Ω Backlight: White 2.8-3.3V 80mA Current Sensitivity: 1000uA±10% Friction: ±1mm/0.04in Pointer Length: 54mm/2.13in±1mm/0.04in Pointer Width: 0.45mm/0.02in±0.05 mm/0.002in Test Environment: Temperature 20℃, humidity 70%