DIY kit suitable for all propane and natural gas systems, but some modification may be required during installation as it may not fit all existing holes or wire lengths (if power supply is insufficient, two can be used). Output voltage: >= 20kV. Spark distance: 3-5mm. Cable length: 30cm. Applicable gas: LPG/NG. Temperature resistance: -20°C to 120°C. Electrode: M10 x 1. Length: 51mm. Straight pin length: 19.5mm. 135 degrees at head: 9mm. No battery required, operates by pressing for spark ignition. Service life: over 30,000 uses. Product includes: Set of 2 piezo push buttons with universal spark plug thread - 30 cm cable length. Features and specifications: Spark distance: 2-3mm. Length: 9cm. Diameter: 2.6cm. Output voltage: >= 18kV. Pressure: 3.0 ± 0.5 kg. Applicable gas: LPG, NG. Temperature resistance: -20°C to 120°C. No battery required, manual spark ignition. Cable length: 30cm. Electrode: M10 x 1. Length: 51mm. Straight pin length: 19.5mm. 135 degrees to head: 9mm.