Features: Elevates your musics experience with the AK2515VFD sounds control music spectrum indicator. This upgraded version showcases advanced display technology, providing precise visualization of the music spectrum. Designed for music enthusiasts who appreciate a personalized touch, this indicator automatically adjusts its display based on surrounding sound, eliminating the need for manual operation. Whether you're hosting a gathering or creating a lively atmosphere at home, the spectrum indicator adds a mesmerizing visual effect to enhances your musics experience. Transform any space into a dynamic hub of musical enjoyment with the spectrum indicator, perfect for music rooms, living areas, and more. Specifications: Material:ABS Color:Black External dimensions:176x50x23mm. (excluding protruding parts) The display size:160x40mm. The size of the display area:about 134x26mm. The thickness of the whole board:about 23mm. (Does not include protruding pin parts, does not include film thickness) M3screw hole center spacing: 170x44mm Power supply 5V/2A Package Includes: 1 Set Music Spectrum Indicator 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.