Ultrasonic Cleaner for Denture Tooth Jewlery Watch Teeth Ultra Sonic Retainer Cleaner Ultrasonic Bath UV Tina Ultrasonica Dental

There have noise when shaking the machine. This is because we use a unique sliding switch to control the UV lamp on and off of .

When the lid is opened with power on, the switch slides to turn off the UV lamp, avoiding eye damage.  When you close the lid,

the UV lamp works normally.