The CD-4800 Digital Ultrasonic Cleaner is a superb value in ultrasonics, with thousands in use worldwide. Engineered for high-performance cleaning power, efficiency and quiet operation, its powerful transducer delivers superb results. A built-in cooling fan allows for worry-free, prolonged operation. Its advanced digital control system features five timing cycles to enhance cleaning efficiency and ease-of-use. Large stainless steel tank with plastic liner holds hygiene instruments diagonally up to 7" long. Isolated circuit design protects from moisture to enhance safety. Ideal for cleaning impression trays, handpieces, patient dentures and retainers. 110V.