Features • Sensitive Pointer Response - Experience accurate measurements with a quick-reacting pointer, ensuring readings for all your electronic projects • High-Definition LED Backlight - Utilize this level meter head effortlly at night, thanks to the bright LED backlight that enhances visibility in low light conditions • Reliable Internal DC Impedance - Benefit from a stable internal DC impedance of 650Ω±10% and insulation resistance above 50MΩ, ensuring consistent performance and safety • ABS Material - T in the high-quality ABS construction, designed for safety and longevity, providing you with a reliable tool for years to come • Easy Embedded Installation - Simplify your setup with hassle- embedded installation, while ensuring correct polarity to prevent any short-circuit damage Features: 1、Pointer type VU meter head, pointer response is sensitive, accurate measurement. 2、With high？definition LED backlight function, it can be used normally at night. 3、The internal DC impedance is 650Ω±10%, and the insulation resistance is above 50MΩ. 4、Using high？quality ABS material, safe and to use, long service life. 5、Embedded installation, simple and convenient, pay attention to positive and negative poles to prevent short？circuit damage. Specification: Item Type: VU Meter Head Material: ABS Internal DC Impedance: 650Ω±10% Insulation Resistance: Above 50MΩ Friction: ±1mm Pointer Length: 21.5±1mm Pointer Width: 0.45±1mm Damping Time: 2-3 Seconds Meter Installation Position: Vertical Backlight Board Power Supply: DC 12V Test Environment: Temperature 20℃, Humidity 70% Calibration Instructions: Calibration Point: DC-285uA Reference Point: DC-500uA Wiring Instructions: The left side is the negative pole, and the right side is the positive pole Size: Approx. 45mm / 1.8in Package List: 1 x VU Meter Note: betweendiv>1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.betweenbetweendiv>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.between Package List 1 x VU Meter