Voltage meter + 1650uF stabilizer ( inside PCB Pivot Vcapa only)

By simply inserting into the cigarette lighter socket, you can not only improve the performance of electronic devices by supplying a stable source of voltage, but it is also possible to check the voltage status via voltage meter. Features: - Voltage Stability Improve Car Performance - Improve Engine Torque - Improve Mileage/ Save Fuel - Improve Audio Quality - Improve Light Illinance - Checking Voltage Gives Protection from Performance Loss - Lower Voltage means Lower Quality Sound/ Unstable Operation for All Electronic Devices - Low Battery Charge Indicator - Protection Battery Life