The Vevor 6L ultrasonic cleaner uses 40kHz ultrasonic frequency and a built-in heating function to remove dirt, grease, and residue from a wide range of items. Its 304 stainless steel tank and basket are designed for durability and help protect items during cleaning. Adjustable time and temperature controls make it suitable for both delicate items and heavier-duty cleaning tasks. This cleaner is well suited for jewelry, eyeglasses, watches, tools, metal parts, laboratory items, and other precision components.