1) Windproof heat flame up to 1300°C for reliable performance in outdoor conditions, for outdoor BBQ, creme brulee caramelization, and precise soldering. 2) Adjustable flame control through a precision dial, allowing easy transitions from delicate tasks to heat applications. 3) Refillable with standard butane fuel (not included), featuring a transparent fuel window to monitor gas levels at a glance. 4) Safe and ergonomic design with a childproof lock, antislip grip, and a flame stabilizer for secure handling and steady flames. Use scenarios Outdoor BBQ or camping: maintain a strong, windproof flame for even searing and quick flame adjustments in variable conditions. Culinary use: caramelize sugar on creme brulee with precise control to achieve the caramel crust without overheating. Smallscale soldering or jewelry work: stable, controllable heat for delicate bonding or detailing tasks.