1 radiating surface,Homogeneous sounding board 2 utilized in ultrasonic cleansing , cosmetic and so on three performance: excessive mechanical Q-value, high conversion performance 4 amplitude, Piezoelectric ceramic supplies presents nice warmth resistance Power: 60W Frequency: 40KHz Note: Positive electrode:The terminals are clamped between the two pieces;The different is destructive electrode. Material:stainless metal colour:Gray +Silver Package Contents: 1 x Transducer Only the above kit content, diversified products aren't included. Note: Light capturing and assorted exhibits could cause the colour of the item in the photo somewhat different from the real thing. The size allowed error is +/- 1-3cm.