Note: Sold without butane (for safety during transit and storage). Please add fuel before first use.Usage Tips:The flame setting is essential for the optimal performance of your lighter.If the flame setting is too small:You may experience difficulties in igniting the flame, such as no flames being produced or requiring multiple clicks. The flame may be unstableIf the flame setting is too big:An excessively high flame can pose safety risks, as it may continue burning for a few seconds after releasing the ignition button. Moreover, the lighter's gas consumption may increase significantly.