Amp up your stereo system setup with this product. This device lets you monitor your decibels with a little bit of flare. The system transitions from green to amber and red while taking in your sound volume, so you can check your decibel levels by watching the colors change. And if you want to change up the look of your monitor, you just need to switch it from bar to dot mode! Entertain your friends, family, and fans with this product.