1. appearance: sleek design, small size, elegant;

2. materials and techniques: using high quality composite materials, and modern production technology, strict quality assurance system;

3. security design: the flip switch function, open lid will stop automatically; outer cover composite material, not easily broken;

4. motor: brushless DC motor for use in aircraft, ensuring durability of products;

5. voltage: the world's most advanced broadband power technology, 85V~245V input voltage applied to ensure quality;

6. feature: are supplied by two turns and two kinds of casing, a multi-purpose machines.

7. noise: low