Features:Widely used at home, in service industries, in the electronic and communication industry.Perfect for cleaning and sterilizing fruits, vegetables, shaver heads, dentures, watches, jewelry, camera lenses, circuit board, electronic components, etc.42KHz ultrasonic frequency for intensive rinse.18 cleaning time settings optional: 90s~30mins.It will automatically stop after 45mins continuous work, and restart again after 4mins' break.SUS304 stainless steel tank and lid, die casting tank without welding gaps.Note:Please prevent the control panel from being eroded by detergent, acid or alkali solution, etc.