Features: 1.Function: It will provide instantaneous power on demand to feed your power hungry amplifiers and stabilize this voltage so your system performs at its peak. 2.Voltage Display: The capacitor is provided with 3 digital voltage display which will inform you of system status and performance. 3.Necessity: A high demand audio setup can often place extra demand on your car's electrical system, then this capacitor is greatly fits. 4.Important Specification: The ESR is less than 0.0017, rated operating voltage is 12V DC to 16V DC, operating temperature is ?40C?95C. 5.Practical: Professional manufacturing, exquisite workmanship, ensure stable performance and high reliability, have a long service time. Specification: Item Type: Car Audio Capacitor Material: Metal, ABS Function: 3 digital voltage display auto on off, reverse polarity warning Capacitance Tolerance: K/M ESR: