The AHL Fire Pit Table uses pulse ignition, after putting the included AAA battery (see manual for details), the ignition and flame size control can be completed by turning the knob, up to 50000BTU. A glass cover is installed around the fire pit, which can isolate the flame, avoid injury, and avoid burns during use. And this fire pit is also equipped with glass stones and volcanic stones, put these stones on the flame to make the flame more beautiful. The product includes all accessories and installation instructions, if you have any questions, please feel free to contact us.