Push Button & No Battery: No battery required, just press. One press to generate a spark. But make sure to connect the notched wire or touch the fixed point. It can be used for a long time. 1 Output 2: The piezo igniter can be used as 1 output 1 and 1 output 2. It comes with an ignition needle, 1 meter wire. The ignition distance is 56mm. The mounting hole is 18mm. The piezo igniter replacement is a piezoelectric igniter, the external material is PP plastic, with solid construction for durable use. Plastic Shell: The outer layer of this piezoelectric igniter is made of plastic, which can effectively isolate the ignition and give you safety at the same time. This au push button piezo igniter kit can be used in gas stove/oven, with an ignition needle to play an ignition role. Wide Compatibility: Works with all au 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. Main Function: This piezo