5 suction levels & 5 Suction Probes – 5 Different powerful suction levels suitable for different types of skin to achieve genuine deep cleaning. Level 1 is suitable for sensitive and dry skin, level 2-3 are suitable for neutral skin, level 4-5 are designed for mixed and oily skin. Meanwhile , 5 replaceable probe are designed for different skin conditions , such as , clean up blackhead, remove dirt grease, reduce dead skin and fine lines .