Electronic pulse igniter need install with one "AA" battery.( Battery not included) Discharge distance: 2-4mm, The cap need take off and mounting to a metal plate to get the signal The Igniter is 1-Outlet , You have to Connect Wire throgh the bottom of button. There is a small silver tap, that is connect to the metal sheet or control panel on grill to get earth wire signal. ( if you do not connect to earth connection, the igniter spark will jump to other place and cannot ignite gas) Gas Grill AA battery 1.5VDC. Ambient temperature: -20-85 º C, Suitable for all kinds of gas appliance and DIY. DC 1.5V electronic pulse igniter one outlet