1.An
LED light indicates proper operation(flashes intermittent
red/green)
2.Built in safety feature,which will not damage the vehicle
even if the terminals are connected to opposite lead wires.
3.Wire are high-quality,thick gauge 99.99% pure copper
with multi layered shielding.
4.The unit is constructed using high-precision certainly
*Actual effectiveness varies by vehicle.
*Actual effectiveness varies by personal drivability