●[Features] Water pressure 40 - 140 PSI, battery capacity 2,000 mAh, 13.4 fl oz (390 ml), 5 modes, IPX7 waterproof, so you can use it in bathroom ●(4 Supervisors) Doctors, dentists, dental hygienics, orthodontic hygienists ●[Effects] Removes food scum, prevents breath odor, prevents periodontal disease, prevents cavities, and prevents dental stones ●Set Contents: Main unit, USB cable, nozzle x 4 ●[Warranty] *Please contact the seller directly by email or phone. Absolute Compatibility