The Pyle PLMRCAP30 is a 0.3 Farad digital power capacitor designed to enhance the performance of your cars audio system. It features a blue digital display and blue LED flash for a striking visual effect. The capacitor provides optimal power and stability with a capacitance of ± 5% and a 20-24V surge rating. The ABS housing and aluminum brushed interior ensure durability, while the chrome-plated post kits provide secure and stable connections. It also includes an electronic polarity protection circuit and over-voltage protection to safeguard the system. The PLMRCAP30 is ideal for any car audio enthusiast looking to optimize their power supply, and it comes with mounting and charging hardware for easy installation.