Low warm temperature Good thermal stability Frequency and static capacitance consistency strong. Resonance impedance is low. The common size of life. It can be broadly utilized in a of ultrasonic cleaning equipment. High performance: mechanical Q value, high vibration efficiency, excessive amplitude Power: 100W Frequency: 28kHz Colour: silver Material: aluminum alloy Size: about 65 x 67mm Package Contents: 1 x Ultrasonic transducer Only the above kit content, other merchandise should not included. Note: Light and sundry exhibits may cause the color of the item within the picture considerably varied from the real thing. The dimension allowed error is +/- 1-3cm.