Features: 1ABS MATERIAL: Sound DB level header is made of ABS material for excellent durability and stability good performance and long life. 2HIGH ACCURACY: High accuracy VU meter header is equipped with a pointer type dial for high accuracy and direct display of measurement results. 3EASY TO USE: Sound VU meter is the most basic tool in sound equipment easy to install and use can improve efficiency save time and effort. 412V 40MA BACKLIGHT LED: Power amplifier level meter is compact in design easy to carry and store. 12V 40mA backlight LED can be used normally at night. 5SCOPE OF APPLICATION: VU meter header is exquisite workmanship and practicality suitable for DIY recording studio home and car sound modification etc. Specification: Item Type: VU Meter HeaderMaterial: ABSSize: Approx. 7.8x6x4.6cm / 3.1x2.4x1.8inBacklight LED: 12V 40mAInternal Resistance: 500UA 650 OhmsUse: Sound Speakers With Backlight Gallows Ammeter For DIY Recording Studio Home Sound Car Sound Transformation Etc.Gross Weight: 92g/3.2oz Package List: 1 x Current Meter1 x Plastic Frame2 x Iron Piece2 x Screw Note: Please allow some error due to manual measurement.