Tullker Portable Ultrasonic Cleaner Immersion Vibration Plate 1 configuration,easy to operate,support long time work; 2 time and gear could be adjusted; 3 generator, generation circuit board has more potent energy and more stable,two styles of turbines are shipped randomly; four for lab,factory and repair workshop cleaning, heavy oil stained workpiece cleaning, nice cleaning effect; five is essential so as to add various cleaning fluids in line with different cleaning items, which will have a serious cleansing effect. 6 default ultrasonic frequency of the machine shipped is: 40kHz. If you wish 28kHz, please touch us. Thanks hint: 1. During cleaning, the&;&;ZiZi&;&; noise is normal. 2. The generator parameters are configured through professionals before shipment, please do not replacement the parameters (except ultrasonic power) when using. 3. For the machine,always fill the unit a minimum of 2 thirds water or liquid of the interior tank earlier than use. About shipping: 1. WORLDWIDE SHIPPING. (Except some countries and APO/FPO) 2. We only convey to confirmed order addresses. Your order handle MUST MATCH your Shipping address. 3. The pictures proven are not the actual merchandise and are in your reference only. 4. SERVICE TRANSIT TIME is equipped through the provider and excludes weekends and holidays. Transit events may perhaps vary, specifically in the course of the holiday season. 5. If you haven't received your shipment in the period, please touch us. We will track the shipment and are available again to you as quickly as possible with a reply. Our target is visitor satisfaction! Feedback: If you did no longer satisfy our service or If merchandise arrived damaged, part neglected or item no longer as described, please touch us ASAP. We will remedy the problem for you and take a look at to make you satisfied. Further more, Please don't depart low scores feedback on our account earlier than getting resolution because it could be a painful blow to us. On the contrary, your generously 5 STARS nice feedback is a big motivation for us. Hope to get your comprehension!