1. Adopt PWN+PFM control theory, the control circuit is reliable 2. With perfect protection function, it's durable 3. Convenient for carry, applicalbe for working place with many movement 4. Cuttin gcost is low, just 1/3 of oxyacetylene cutting 5. The cutting seam is smooth, don't need fabrication afterwards 6. Applicable for cutting of each metal 7. Frequently export for European countries and Australia, Asia. One set in carton: 660*400*550mm, 35kg including accessories.