Feature: 1. VU meter header, with pointer type dial, directly display measurement results. 2. With high‑definition white backlight display, it can be used normally at night. 3. Internal DC impedance is 650Ω±10%, and the maximum current sensitivity is 600uA±10%. 4. High accuracy, sensitive pointer response, accurate measurement. 5. Suitable for various scenes such as DIY, recording studio, mixer, home audio, etc. Specification: Item Type: VU Meter Material: ABS Internal DC Impedance: 650Ω±10% Maximum Current Sensitivity: 600uA±10% Friction: ±1mm Insulation Resistance: Above 50Ω Backlight: White 2.8-3.8V 20mA-2Pcs Installation Position: Vertical Pointer Length: 44±1mm / 1.7±0.04in (from the needle end to the centering) Pointer Width: 0.45±0.05mm / 0.02±0.002in Test Environment: Temperature: 20℃, Humidity: 70% . Package List: 1 x VU Meter Note: 1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.