Feature: 1. Premium Material: Digital power capacitor is made of metal and ABS material, rustproof, not easy to deform, high strength, sturdy and durable. 2. Function: Digital capacitor will provide instantaneous power on demand to feed your power hungry amplifiers and stabilize this voltage. 3. Voltage Display: Car capacitor is provided with 3 digit voltage display, automatically turn on off, will inform you of system status and performance. 4. Excellent Performance: Professional manufacturing, exquisite workmanship, with reverse connection alarm, stable performance and high reliability. 5. Simple Installation: The installation is simple, no complicated operation is required, convenient for using, save your time and energy. Specification: Item Type: Car Capacitor Material: Metal and ABS3 Digit Voltage Display Automatically On OffReverse Connection AlarmCapacitance Tolerance: K/MESR: ＜0.0017ΩRated Operational Voltage: 12V DC-16V DCVoltage: 20V DC Operating Temperature: -40°C-95°CFitment: Universal. Package List: 1 x Car Capacitor1 x Wrench4 x Screw1 x User Manual