Features: Fine workmanship and fine quality, can be used for a long time. Lightweight, cordless and portable convenient to use. Transparent fuel window is convenient for judging the gases filling situation. Fast heat-up for high-productivity, melts solder in a few time. Simple construction makes precision soldering easy for anyone. Suitable for using in welding, electronics maintenance, vehicle repairing,electronic production enthusiasts DIY, etc. Specifications: Material: plastics + metal Type: 1 (3 in 1), 2 (4 in 1) Package size: 140 * 30 * 30mm / 5.51 * 1.18 * 1.18in Package weight: 69g / 2.43ounces (Type 1) 72g / 2.54ounces (Type 2) Package List: 1 * Soldering Iron Pen Kit