Features of on board rectifier products: (1) Improve power and fuel economy (2) Improve sound quality and light (3) Reduce emissions, save energy and protect the environment (4) Quick installation, special for automobile Voltage 0-16v Capacity 83F Product weight: 470g Dimensions: l 234 x W 37 x h 65mm battery life: The battery life will be after the charger current is stable and removed from the battery, otherwise the high current and low current before installation will cause great damage to the battery. (generally, it can be extended by 1-3 years) module life is 5-10 years) 1. Increase engine power to make throttle response lighter and more sensitive 2. Improve the phenomenon of low-speed driving and make the shift more stable 3. Improve ignition performance to make fuel combustion more complete 4. The spark plug supplies power to each cylinder evenly to make the engine run more smoothly 5. Reduce idle jitter and more stable 6. Reduce clutter distortion and improve sound quality of vehicle 7. Protect the battery and the circuit of the original vehicle, reduce the load and prolong the service life Reduce the starting time of the car Material: PC+Metal Color as shown Package Contents: 1 x Farrah capacitor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.