2400W Ultrasonic Cleaner Plate Power AdjustFunction: Ultrasonic cleaning; Application:Degreasing,Rust removal,Dust removal,Wax removal; Suitable: Metal Parts,Oil Rust Parts, Engine block,DPF,Car parts,Motherboard,Hardware and so on. The default ultrasonic frequency of the machine shipped is: 40kHz. If you would like 28kHz, please contact us. Thanks hint: 1. During cleaning, the&;&;ZiZi&;&; noise is normal. 2. The generator parameters are configured by way of mavens earlier than shipment, please don't replace the parameters (except ultrasonic power) when using. 3. For the machine,always fill the unit no lower than two thirds water or liquid of the inner tank earlier than use. About shipping: 1. WORLDWIDE SHIPPING. (Except some international locations and APO/FPO) 2. We totally deliver to confirmed order addresses. Your order deal with MUST MATCH your Shipping address. 3. The pictures proven should not the actual item and are in your reference only. 4. SERVICE TRANSIT TIME is provided by means of the service and excludes weekends and holidays. Transit events might vary, specifically during the holiday season. 5. If you have not acquired your cargo in the period, please touch us. We will tune the shipment and are available back to you as soon as probable with a reply. Our goal is visitor satisfaction! Feedback: If you probably did not satisfy our carrier or If merchandise arrived damaged, part uncared for or merchandise not as described, please contact us ASAP. We will solve the issue for you and take a look at to make you satisfied. Further more, Please do not depart low scores suggestions on our account earlier than getting answer because it can be a painful blow to us. On the contrary, your generously five STARS pleasant feedback is a gigantic motivation for us. Hope to get your comprehension!