Liberex FF-20S upgraded DIY water flosser with 4 Cleaning Modes and upgraded DIY 10 Modes -- Apart from the original 4 cleaning modes (Soft, Medium, Strong, and Pulse), you can freely adjust the water pressure (8psi-110psi) as your oral care needs. ● 5 TIPS FOR ALL FAMILY MEMBERS AND DIFFERENT NEEDS - 2 standard tips for daily cleaning; periodontal tip for periodontitis; orthodontic tip for orthotics, dental braces, teeth socket; dental plaque tip for implants, dental bridge, crowns● 4 BASIC+10 PERSONALIZED FLOSSING MODES - Apart from the original 4 cleaning modes (Soft, Medium, Strong and Pulse) to meet various floss needs, Liberex FC2660S also allows you to use DIY MODE. You can freely adjust the water pressures from intensity 1-10 to find a comfortable level, especially when you have sensitive teeth and gums● Portable Size for Travelling - The teeth flosser will last up to 14 days' continuous use after full charged in 4 hours. Comes with a carry bag and USB charging cable, it can be recharged via any USB device - wall charger, phone charger, power bank.● OLED Display & 2-Minute Timer - The OLED screen clearly displays current working mode and remaining power. 2-minute auto timer to avoid the water dental flosser still working after you finish cleaning.● IPX7 Waterproof & Anti-Slip Handle - User-friendly ergonomic curve design, more comfortable to hold it. IPX7 waterproof design allows the dental flosser to be used safely for shower in the bathroom.