AA battery igniter + M8x1 threaded ceramic electrode 1m each,When installing, please ground as shown in the picture. Suitable for most kind of gas appliance just make some small modification The pin is around 10cm long then you can bend or cut by yourself spark plug ceramic fixed on a plate with hole +8mm. CSA approved，Please install and insulate according to the photo prompts during installation. Incorrect installation will cause the igniter to not work normally or get an electric shock when you ignite. Thank you.