DIY kit suitable for all propane and natural gas gears, but you may need to make some modifications during installation, does not fit all current holes for installation or wire length (if the power supply is not enough, you can use two)Output voltage: > = 20kV, spark gap: 3-5mm, wire length: 30cmApplicable gas: LPG / NG, temperature resistance: -20 ° C ~ 120 ° CCable length: 30cm. Electrode: M10 x 1. Length: 51mm. Straight pin length: 19.5mm. 135 degree on the head: 9mmNo battery needed, just press a spark. Lifespan: Over 30,000 actuationsProduct DescriptionSet of 2 piezoelectric spark plugs with universal spark plug thread - 30 cm longFeatures & Data:</ p>Spark gap: 2-3 mm.Length: 9 cm.Diameter: 2.6 cm.Output voltage: &gt;= 18 kV.Pressure: 3.0 ± 0.5 kg.Applicable gas: LPG, NG.Temperature resistance: -20°C to 120°C. No battery, just press a spark.Cable length: 30cm.Electrode: M10 x 1 Length: 51mm.< p>Straight pin length: 19.5mm, 135 degrees to head: 9mm.