Inductance: 6.9 mH states the seller, I measured the actual value of only 0.4 mH and sekundary resistence no 4,4 kohms only 4,06 kohms and sekondary voltage 34-36 kV, which is high enough voltage, but it's not 40kV as stated by the seller. But despite these reservations, the coil works reliably and supplies enough energy to ignite the spark. I recomend
Fast shipping/good products /recommended