Item Type: Car Capacitor Material: Metal and ABS 3 Digit Voltage Display Automatically On Off Reverse Connection Alarm Capacitance Tolerance: K/M ESR: 0.0017 Rated Operational Voltage: 12V DC-16V DC Voltage: 20V DC Operating Temperature: -40C-95C Fitment: Universal 1Premium Material: Digital power capacitor is made of metal and ABS material, rustproof, not easy to deform, high strength, sturdy and durable. 2Function: Digital capacitor will provide instantaneous power on demand to feed your power hungry amplifiers and stabilize this voltage. 3Voltage Display: Car capacitor is provided with 3 digit voltage display, automatically turn on off, will inform you of system status and performance. 4Excellent Performance: Professional manufacturing, exquisite workmanship, with reverse connection alarm, stable performance and high reliability. 5Simple Installation: The installation is simple, no complicated operation is required, convenient for using, save your time and energy.1 x CarCapacitor 1 x Wrench 4 x Screw 1 x User Manual