Welcome to JMUdental, enjoy yourself! Product Description The ultrasonic scalers need another attachment ：water supply system and/or quick connector This unit does NOT include the Water Supply or Quick Connector, you can purchase it separately from Our JMU eBay Store. DTE Ultrasonic Scaler Color：Blue Mode: D1 Sealed handpiece Automatic frequency tracking system automatically searches for the best working frequency automatic degenerative feedback, constant power output and more comfortable scaling. Automatic frequency tracking system automatically searches for the best working frequency. Automatic degenerative feedback, constant power output, and more comfortable scaling Package contains: Ultrasonic Piezo Scaler D1 x1 Sealed Undetachable Handpiece x1 Foot switch x1 Water supply pipe x1 Operation manual x1 Soft and painless scaling athermic tips: GD1 x 2 GD2 x1 GD4  x1 PD1  x1 Technical Specification: Power input:110v 50Hz Frequency: 28HZ+-3HZ FDA Statement: The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, do not bid on this item unless you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item. Seller Name:Jmudental City State:Fullerton, United States Telephone number:9099890000 Payment Policy We accept all forms of payment, such as Visa, Mastercard, Discover, PayPal, PayPal Credit, Apple Pay (through the eBay app and mobile website only), Google Pay (through the eBay app, mobile website and desktop) Shipping Time Our company located in Fullerton, California. Our working time is Monday-Friday, from 9am-6pm. If you placed your order before 10am Pacific Standard Time, your order will be ship out in the same business day. Or It will be sent in the next business day. Feedback We maintain high standards of excellence and strive for 100% customer satisfaction! You have any concerns or problems with your order, please contact us. You feedback is VERY important to us! if you think we have done a good job, I would really appreciate it if you would leave us a positive feedback. Contact us Welcome to JMU DENTAL, INC! We are located in the Southern California, US. We carry a wide selection of dental supplies and dental lab equipment. We offer high quality products in best prices! If you have any questions, please feel free to email our service specialists 24 Hours a Day, and we will reply you ASAP. If no response within 24 Hours, please kindly re-send it to us or Contact us .