1. Low heat; 2. Good thermal stability3. Frequency and static capacitance consistency strong.4. Resonance impedance is low.5. The average length of life.6. It can be widely used in a variety of ultrasonic cleaning equipment.7. High performance: mechanical Q value, high vibration efficiency, high amplitudePower: 100WResonant frequency: 28 +/- 0.5 KHzStatic capacitance: 5500 +/- 10% pFResonant Impedance: Less than or equal to 20 ohmColour: silverMaterial: aluminum alloySize: 44 x 65 x 67mmPackage Contents:2 x TransducerOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.