(1)Under the conditions of the ignition coil at ambient temperature **0 ~ *0 ℃, relative humidity less than *5% can work properly.

(2)The ignition coil can withstand the peak voltage of *5kv, lasted 1min open trial with no breakdown damage and surface discharge phenomenon. All ignition coil insulation resistance of not less than 1MΩ.

(3) All products are **0% inspection. And from time to time for endurance testing to ensure product quality.