Low warmth Good thermal steadiness Frequency and static capacitance consistency strong. Resonance impedance is low. The average length of life. It could be widely utilized in quite a lot of ultrasonic cleansing equipment. High performance: mechanical Q value, immoderate vibration efficiency, high 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, diverse merchandise should not included. Note: Light and various displays can cause the colour of the item within the photograph a bit assorted from the genuine thing. The length allowed error is +/- 1-3cm.