Feature 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.Item Type: CarCapacitorMaterial: Metal and ABS3 Digit Voltage Display Automatically On OffReverse Connection AlarmCapacitance Tolerance: K/MESR: 0.0017Rated Operational Voltage:12V DC-16V DCVoltage:20VDCOperating Temperature: -40C-95CFitment: Universal .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x CarCapacitor1 x Wrench4 x Screw1 x User Manual