Feature: Lightweight and Portable item. Cordless device, no electricity or batteries required for operation. Multi function melt silver and gold solder, small brazing rods, and many other materials (gold, silver, copper, tin, aluminum). Ideal for light welding, repairs, soldering, jewelry making, hobbies, crafts, model making, etc. Portable pocket sized, lightweight and convenient. On/off switch. Adjustable flame. Easy to maintain (uses lighter butane). Refillable - Uses widely available Butane Gas. Flame Temperature: 1300°C. Material: Plastic, Metal. Power: 30W-70W. Soldering iron temperature: 210-400°C. Flame temperature: 1300°C (2500°F). Capacity: 7ml. Operating time: 30 minutes. Size:17.8cm x 3cm/7.01'' x 1.18'' Package includes: 1x Gas Blow Torch Butane Pen