Portable And Rechargeable For Teeth Cleaning Tank. Features Water Frequency Up to 1200 Times/minute, Which Can Quickly Clean Up Food Debris Hiding Between Your Teeth, Gum. For Whom Concern About Their Dental Health The Range of Water Pressure is 20-110psi from Low Setting to High Setting. It is Suitable for Beginners and People with Sensitive Gums. IPX 7 Water Proof IPX7 Waterproof Design is Adopted for Both Internal and External of the Machine to Provide Dual Protection, Which Prevents Leakage and Allows the Water Flosser to Be Used Safely for Shower in the Bathroom. Research Has Shown That Brushing is Far More Enough Regular Use of Water Flosser Helps Remove Food Debris Stuck Between Teeth and Prevent Oral Inflammation and Teeth Decay. Water Flosser Takes Advantages of Water Pressure to Flush Retained Food Particles Without Hurting Your Teeth and Gums. Specification: Type: Electric Oral Irrigator Age Group: Adults Model Number: KEVINGAO3174 Item Type: Oral Irrigator Power Source: Rechargeable Battery Voltage: 110-240VAC 50/60Hz Nozzle Tips: 5 Tips in Total Water Pressure: 20-110psi Water Frequency: Up to 1200 Times/min Function 1: Quickly Clean Up Food Debris Hiding Between Your Teeth Function 2: 360°rotatable Nozzle Function 3: Waterproof Design . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.