Item Type: VU Meter Material: Plastic Color: As Pictures Shown Weight: Approx. 79g / 2.8oz Product Size: Approx. 7.5x5.7x4.8cm / 3.0x2.2x1.9in Backlight Voltage: 2.8-3.2V 20mA Internal Resistance: DC-500uA / 650 Application: for DIY, Recording Studio, Home Audio, Car Audio Transformation, etc. Package List 1 x VU Meter 2 x Screws 1 x Display Frame 2 x Metal Plate 1Wide Application: The VU meter is suitable for DIY, recording studio, home, automobile equipment modification, etc 2Easy to Use: The sound meter is the most basic tool in audio equipment, which is easy to install and use. Antistatic, anti vibration, durable. 3High Accuracy: Adopting a pointer dial with high accuracy and can directly display the measurement results, providing good using experience. 4Specification: Product size is 7.5x5.7x4.8cm/3.0x2.2x1.9in. Backlight voltage is 2.83.2V 20mA. Internal resistance is DC500uA/650. 5Good Workmanship: Exquisite workmanship, beautiful appearance design, small portable size, giving you great user experience.