reasonable price and high good quality digital ultrasonic cleaner mini ultrasonic cleaner ultrasonic cleaner Frequency: 42K HzOutput Power: 30WTank Capacity: 400mlUnit Size: 24. ... , necklace, earrings, diamond, and bracelets.Clean Glasses, sunglasses, contact lens accessories, optical lenses.Clean Electronics components, mechanical parts.Materials: Housing: ABSLid ...