The surface of the product is made of high-quality Nylon plastic which is heatproof, high strength, insulative, damp proof, and which is not easy to break also. It is also with planting cauterized surface. These products have very good quality switches. It is with the separate planting silver technique. Some of them are automatic power and cut-off devices which will cut the power if the product is overheated. It has double insulation protection, so it is very safe to use. low noisy. Capability & Characteristic Specifications1800W-Professional AC motor Lonic system. Ultra thin concentrator. Auto power-off overheating approved professional choice Professional hair dryer with long life AC Motor.2 speed and 3 heat settings, giving you more choice. With an ultra-thin concentrator for precise and quick styling. Classic volume can quickly blow your hair. Gold air shot button. Auto power off overheating.2.5-3 meters bold cord gives you more safety and flexibility. Power supply: 220V, 1800W