1. High performance low energy consumption electronic auto-ignition reach highest temperature in a short time, flame focus. 2. Air-based combustion, no need to use oxygen cylinders to support combustion 3. Adjustable flame. 4. Use mapp, propane, liquefied petroleum gas and butane gas as gas source 5. Light weight portable. 6. The torch is connected according to cga600 standard. 7. Widely used in air-conditioning installation, maintenance; refrigerator maintenance.