Features: High‑accuracy VU-meter header is made of high‑quality materials, durable- and wear‑resistant. Equipped with pointer- type dial-, high accuracy, can directly display the measurement results-. It is the most basic tool in audio- equipment, sensitive to measurement, easy-to install and use. With white-light 12V bulb, high-definition, it-can be used normally at-night. Suitable for DIY, recording studio, home audio-, car audio- transform, etc. Specifications: Material:Plastic Size:Approx.8.2x6.2cm/3.22x2.44inch Package Includes: 1x Ammeter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.