1.The products are made of high quality materials, quality is guaranteed2. Product performance is stable, long service life3. Compact design with knob to adjust the volume level4. This is an amplifier volume control board, very suitable for DIY enthusiasts5. Wide range of applications, can be used in multiple scenariosProduct parameters:Name: Amplifier Volume Control BoardModel:XH-A954Installation size: 26MM (Hole Spacing)Turn the knob left to turn down the volume, switch off the machine.Turn the knob right to turn up the volumeColor: GreenMaterial: Plastic+MetalPackage Contents:1 * Volume Control Board1 set of cables (random color)Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.