Rockville RFC30F 30 Farad Capacitor Voltage Display+Amp Kit Rockville RFC30F 30 Farad Capacitor Blue Voltage Display + Built In Dist Block. ESR (Equivalent Series Resistance): 0.015 ohm @ 120Hz, 25C. 30 Farad Digital Hybrid Capacitor with Blue Illumination. Blue illuminated window with light following played music. Black wire mesh cover Warning tones for reverse polarity connection. 3-Digit, super bright LED voltage meter. Automatic sleep status when volume is low. Operating Voltage: 10 - 16V DC. Surge Voltage: 20V DC. Voltage measure accurate to +/- 0.1VDC. Capacitance tolerance: +/- 10%. Over-voltage protection circuit automatically alarms when the voltage above 17.5V or under 10V RockvilleRWK01 0 AWG (American Wire Gauge)Complete Car Amp Installation Wire Kit. 17  0 Gauge Translucent Blue SuperFlex Power Cable. 3  0 Gauge Translucent Black SuperFlex Ground Cable. Gold Plated ANL Heat Resistance Fuse Holder 200 Amp ANL Gold Plated Fuse. 1  17 High Grade Twisted Pair of RCA Interconnects. 25 Translucent Blue Speaker Wire. 7 Split Loom Tubing. 17 Amplifier Remote Turn On Cable Wire Ties and Ring Terminals, and all other accessories you need for a clean installation. Soft abrasion proof insulating jacket allows for 100% improved flexibility. PVC outer jacket can with-stand an extreme temperature range of -40 to 220 degrees F (1) Rockville RFC30F 30 Farad Capacitor Blue Voltage Display (1) Rockville RWK01 0 Gauge Complete Car Amp Wire Kit w/ RCA&#039;s Rockville RFC30F 30 Farad Capacitor Blue Voltage Display ESR (Equivalent Series Resistance): 0.015 ohm @ 120Hz, 25C 30 Farad Digital Hybrid Capacitor with Blue Illumination Blue illuminated window with light following played music Black wire mesh cover Warning tones for reverse polarity connection 3-Digit, super bright LED voltage meter Automatic sleep status when volume is low Operating Voltage: 10 - 16V DC Surge Voltage: 20V DC Voltage measure accurate to +/- 0.1VDC Capacitance tolerance: +/- 10% Over-voltage protection circuit automatically alarms when the voltage above 17.5V or under 10V Unit dimensions (Inches): 10.91 L x 6.38 W x 2.56 H Rockville RWK01 0 AWG (American Wire Gauge) Complete Car Amp Installation Wire Kit 17  0 Gauge Translucent Blue SuperFlex Power Cable 3  0 Gauge Translucent Black SuperFlex Ground Cable Gold Plated ANL Heat Resistance Fuse Holder 200 Amp ANL Gold Plated Fuse 1  17 High Grade Twisted Pair of RCA Interconnects 25 Translucent Blue Speaker Wire 7 Split Loom Tubing 17 Amplifier Remote Turn On Cable Wire Ties and Ring Terminals, and all other accessories you need for a clean installation Soft abrasion proof insulating jacket allows for 100% improved flexibility PVC outer jacket can with-stand an extreme temperature range of -40 to 220 degrees F