1. Six pressure modes---More choices for personal use.
2. 250ml water tank---Enough for one-time use for most people. easy for water filling and water tank cleaning
3.100% IPX7 waterproof design ---motor/gear/was integrated in one piece water pump and weled by heat resisting material
4. 2-minutes timer for power protection and intelligent memory
5. low power consumption (battery fully charged for 5 hours can be used for 2 months)
6. ABS antibacterial material, with antibacterial patent, the antibacterial rate up to 99%. Water tank in the fresh smell, and do not worry about bacteria getting into the mouth.