Specification :

There are many specifications of this kind:
HNC-4AH-3540 40K/50W
HNC-4SH-3840 40K/60W
other types like 51K/10W
...
Customerized service and OEM service are available.

Ultrasonic transducer for beauty/cosmetic/esthetic machine. The beauty transducer is different from the normal ultrasonic cleaning transdcuer, although they are of same shape and size. But the beauty transducers require much better material and assembly process to reduce the heater and bear high temperature.