This ACMEZING ultrasonic retainer cleaner uses 45kHz ultrasonic technology to help remove buildup, stains, saliva residue, and debris from retainers, dentures, aligners, mouth guards, and night guards. It includes 4 UV-C lights for more even coverage and daily freshness care, plus 4 cleaning modes: 5-minute quick clean, 10-minute deep clean, and 5- or 10-minute pulse cleaning for delicate items. The unit is designed for quieter operation, features a stainless steel tank, and offers a 200ml capacity that can hold up to 3 retainers at once. The magnetic lid and removable basket add convenience for everyday use.