Low heat Good thermal stability Frequency and static capacitance consistency strong. Resonant impedance is low. Average life expectancy. Can be widely used in various ultrasonic cleaning devices. High efficiency: mechanical Q value, high vibration efficiency, high amplitude Power: 100W Frequency: 40kHz Color: silver Material: alloy aluminum Size: about 45 x 55 x 47 mm Package content: 1 x Ultrasonic Transducer Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm. Shipping Time: We can ship all products within 5~8 business days