5 pcs electrode sparks & 1 pcs Ac Pulse Safe Efficient Pulse Igniter Suitable for fireplaces and commercial appliances and any Gas items Surface material: stainless steel with zinc Applicable gas series: LPG / propane / butane/NG electrode sparks: Ceramic Length:58mm.Thread size: M10 x 1 Color: black + white material: metal Pulse igniter: Type: Cooktop Parts rated power: 0.6VA output voltage:greater than or equal to 25kv ignition energy: greater than or equal to 1mJ ingnition frequency: 3-5 or 6-9 time/second Safety warning: This is a Universal Thread if your installation hole size is Over 10mm and less than 14mm. If can not install well you can do some small modifications on your product. output port: 2 connections life: greater than or equal to 1000000 sparks maximum environment temperature: 120 degree colour:Red-brown Material:plastic Package Contents: 5 * electrode sparks 1 * Pulse igniter