1Plastic Shell: The outer layer of this piezoelectric igniter is made of plastic, which can effectively insulate the ignition and give you safety at the same time. 2Main Function: This piezoelectric igniter is mainly designed for igniting gas, stove, oven, heater, fireplace, etc. It can also be widely used for various outdoor activities, such as barbecue, camping, etc. 31 Out 2: Piezo igniter can be used as 1 out 1 and 1 out It comes with ignition needle, 1 meter wire. Ignition distance is 56mm. The Mounting hole is 18mm. 4Wide Compatibility: Works with all propane and natural gas gears. You may need to make some modifications during installation and it does not fit all current mounting holes or cable lengths. 5Push Button and No Battery: No batteries required, just press. One press to generate spark. But be sure to connect the notched wire or touch the fixed point.