Dental Basic Instrument Sonic Irrigator For Endo Root Canal NOTE: Package included : One double press button machine, 20pcs yellow tips of small, 20pcs red tips of medium, 20pcs blue tips of big, 100pcs protective sleeves. One gray base. NOTE: Using with AA battery, battery not include in the package, please purchase battery in your local. Product show: Customer satisfaction: Please don't hesitate to contact us if you have any questions or concerns before or after your purchase. We are committed to your 100% satisfaction. Feedback: Since your feedback is very important to our business's development, we sincerely invite you to leave positive feedback for us if you are satisfied with our product and service. It'll just take you 1 minute. Thank you!