Brand/Model: COSLUS C20 (F5020E) Water Tank: 300ML Extra-Large Capacity (Reduces refills).  Cleaning Modes: 3 Modes (Clean, Soft, Massage/Pulse) for varied pressure and gum care.  Pulse Rate: Delivers high-pressure pulses at 1400-1800 times per minute.  Battery Life: Up to 30 days of use on a single full charge (approx. 3 hours).  Waterproof Rating: IPX7 Full Body Waterproof for safe use in the shower.  Nozzle System: 360° Rotatable Nozzle and includes 5 total tips (2 Standard, 1 Orthodontic, 1 Periodontal, 1 Tongue Scraper).  Benefit: Ideal for cleaning around braces, bridges, crowns, and implants.