It uses 1.5 (110/220)V battery, for gas appliances (like BBQ). The pulse igniter adopts AC input. After control switch is turne Features: 1) Spark output terminal: 2, 4, 6 2) Input power: AC220V (120V), 50 - 60Hz or DC1.5V 3) Output voltage: more or just 18kV 4) Longevity: more or just 30,000 times 5) Applications: gas ovens, stove, heaters, gas lamps,BBQ and other gas appliances with AC input