40KHz 35W Piezoelectric Ceramic Sheet Ultrasonic Clean Transducer Plate brand new and wonderful Features: Low heat. Good thermal stability. Frequency and static capacitance secure consistency. Resonant impedance is low. The standard length of life. It could be extensively used in a wide range of ultrasonic cleansing equipment. High performance: mechanical Q value, immoderate vibration efficiency. Specification: Powe: 35W Resonant frequency(KHz): 40 ± 1 Static capacitance(pF): 8500 ± 10% Resonance impedance: ≤20 Ohm Insulation resistance(2500V DC): ≥100M Ohm Material: Ceramic Dimensions: Diameter 5cm/1 Color: White&gray Quantity: 1 Pc Note: 1 allow 0-1cm error because of instruction manual measurement. pls ensure you don't intellect earlier than you bid. 2 to the difference between different monitors, the picture might not reflect the particular coloration of the item. Thank you! Package Includes: 1 x Piezoelectric Ceramic Sheet (without retail package)