Product feature and advantages: 1. Super thin function: Low height of machine body, it has two thirds height of the same products(the heights of the first generation, second generation all are 17cm, the total height of this product is only 11. 5cm, gives safety feeling to the people because it is natural when lifting the feet, special comfortable for the old person, children's use. 2. The product is novel, the outer shell is beautiful and dignified, the outer appearance of this product adopts imitation household decorative color design, it is similar to household tone, it has decorative action, the outer appearance and color are as much as decades of kinds, they are suited to various decorative styles.